diff --git a/ball_detector/msg/circleSetStamped.msg b/ball_detector/msg/CircleSetStamped.msg similarity index 100% rename from ball_detector/msg/circleSetStamped.msg rename to ball_detector/msg/CircleSetStamped.msg diff --git a/op3_demo/Data/mp3/Autonomous soccer mode.mp3 b/op3_demo/data/mp3/Autonomous soccer mode.mp3 similarity index 100% rename from op3_demo/Data/mp3/Autonomous soccer mode.mp3 rename to op3_demo/data/mp3/Autonomous soccer mode.mp3 diff --git a/op3_demo/Data/mp3/Bye bye.mp3 b/op3_demo/data/mp3/Bye bye.mp3 similarity index 100% rename from op3_demo/Data/mp3/Bye bye.mp3 rename to op3_demo/data/mp3/Bye bye.mp3 diff --git a/op3_demo/Data/mp3/Clap please.mp3 b/op3_demo/data/mp3/Clap please.mp3 similarity index 100% rename from op3_demo/Data/mp3/Clap please.mp3 rename to op3_demo/data/mp3/Clap please.mp3 diff --git a/op3_demo/Data/mp3/Demonstration ready mode.mp3 b/op3_demo/data/mp3/Demonstration ready mode.mp3 similarity index 100% rename from op3_demo/Data/mp3/Demonstration ready mode.mp3 rename to op3_demo/data/mp3/Demonstration ready mode.mp3 diff --git a/op3_demo/Data/mp3/Headstand.mp3 b/op3_demo/data/mp3/Headstand.mp3 similarity index 100% rename from op3_demo/Data/mp3/Headstand.mp3 rename to op3_demo/data/mp3/Headstand.mp3 diff --git a/op3_demo/Data/mp3/Interactive motion mode.mp3 b/op3_demo/data/mp3/Interactive motion mode.mp3 similarity index 100% rename from op3_demo/Data/mp3/Interactive motion mode.mp3 rename to op3_demo/data/mp3/Interactive motion mode.mp3 diff --git a/op3_demo/Data/mp3/Intro01.mp3 b/op3_demo/data/mp3/Intro01.mp3 similarity index 100% rename from op3_demo/Data/mp3/Intro01.mp3 rename to op3_demo/data/mp3/Intro01.mp3 diff --git a/op3_demo/Data/mp3/Intro02.mp3 b/op3_demo/data/mp3/Intro02.mp3 similarity index 100% rename from op3_demo/Data/mp3/Intro02.mp3 rename to op3_demo/data/mp3/Intro02.mp3 diff --git a/op3_demo/Data/mp3/Intro03.mp3 b/op3_demo/data/mp3/Intro03.mp3 similarity index 100% rename from op3_demo/Data/mp3/Intro03.mp3 rename to op3_demo/data/mp3/Intro03.mp3 diff --git a/op3_demo/Data/mp3/Introduction.mp3 b/op3_demo/data/mp3/Introduction.mp3 similarity index 100% rename from op3_demo/Data/mp3/Introduction.mp3 rename to op3_demo/data/mp3/Introduction.mp3 diff --git a/op3_demo/Data/mp3/Left kick.mp3 b/op3_demo/data/mp3/Left kick.mp3 similarity index 100% rename from op3_demo/Data/mp3/Left kick.mp3 rename to op3_demo/data/mp3/Left kick.mp3 diff --git a/op3_demo/Data/mp3/No.mp3 b/op3_demo/data/mp3/No.mp3 similarity index 100% rename from op3_demo/Data/mp3/No.mp3 rename to op3_demo/data/mp3/No.mp3 diff --git a/op3_demo/Data/mp3/Oops.mp3 b/op3_demo/data/mp3/Oops.mp3 similarity index 100% rename from op3_demo/Data/mp3/Oops.mp3 rename to op3_demo/data/mp3/Oops.mp3 diff --git a/op3_demo/Data/mp3/Right kick.mp3 b/op3_demo/data/mp3/Right kick.mp3 similarity index 100% rename from op3_demo/Data/mp3/Right kick.mp3 rename to op3_demo/data/mp3/Right kick.mp3 diff --git a/op3_demo/Data/mp3/Sensor calibration complete.mp3 b/op3_demo/data/mp3/Sensor calibration complete.mp3 similarity index 100% rename from op3_demo/Data/mp3/Sensor calibration complete.mp3 rename to op3_demo/data/mp3/Sensor calibration complete.mp3 diff --git a/op3_demo/Data/mp3/Sensor calibration fail.mp3 b/op3_demo/data/mp3/Sensor calibration fail.mp3 similarity index 100% rename from op3_demo/Data/mp3/Sensor calibration fail.mp3 rename to op3_demo/data/mp3/Sensor calibration fail.mp3 diff --git a/op3_demo/Data/mp3/Shoot.mp3 b/op3_demo/data/mp3/Shoot.mp3 similarity index 100% rename from op3_demo/Data/mp3/Shoot.mp3 rename to op3_demo/data/mp3/Shoot.mp3 diff --git a/op3_demo/Data/mp3/Sit down.mp3 b/op3_demo/data/mp3/Sit down.mp3 similarity index 100% rename from op3_demo/Data/mp3/Sit down.mp3 rename to op3_demo/data/mp3/Sit down.mp3 diff --git a/op3_demo/Data/mp3/Stand up.mp3 b/op3_demo/data/mp3/Stand up.mp3 similarity index 100% rename from op3_demo/Data/mp3/Stand up.mp3 rename to op3_demo/data/mp3/Stand up.mp3 diff --git a/op3_demo/Data/mp3/Start motion demonstration.mp3 b/op3_demo/data/mp3/Start motion demonstration.mp3 similarity index 100% rename from op3_demo/Data/mp3/Start motion demonstration.mp3 rename to op3_demo/data/mp3/Start motion demonstration.mp3 diff --git a/op3_demo/Data/mp3/Start soccer demonstration.mp3 b/op3_demo/data/mp3/Start soccer demonstration.mp3 similarity index 100% rename from op3_demo/Data/mp3/Start soccer demonstration.mp3 rename to op3_demo/data/mp3/Start soccer demonstration.mp3 diff --git a/op3_demo/Data/mp3/Start vision processing demonstration.mp3 b/op3_demo/data/mp3/Start vision processing demonstration.mp3 similarity index 100% rename from op3_demo/Data/mp3/Start vision processing demonstration.mp3 rename to op3_demo/data/mp3/Start vision processing demonstration.mp3 diff --git a/op3_demo/Data/mp3/System shutdown.mp3 b/op3_demo/data/mp3/System shutdown.mp3 similarity index 100% rename from op3_demo/Data/mp3/System shutdown.mp3 rename to op3_demo/data/mp3/System shutdown.mp3 diff --git a/op3_demo/Data/mp3/Thank you.mp3 b/op3_demo/data/mp3/Thank you.mp3 similarity index 100% rename from op3_demo/Data/mp3/Thank you.mp3 rename to op3_demo/data/mp3/Thank you.mp3 diff --git a/op3_demo/Data/mp3/Vision processing mode.mp3 b/op3_demo/data/mp3/Vision processing mode.mp3 similarity index 100% rename from op3_demo/Data/mp3/Vision processing mode.mp3 rename to op3_demo/data/mp3/Vision processing mode.mp3 diff --git a/op3_demo/Data/mp3/Wow.mp3 b/op3_demo/data/mp3/Wow.mp3 similarity index 100% rename from op3_demo/Data/mp3/Wow.mp3 rename to op3_demo/data/mp3/Wow.mp3 diff --git a/op3_demo/Data/mp3/Yes go.mp3 b/op3_demo/data/mp3/Yes go.mp3 similarity index 100% rename from op3_demo/Data/mp3/Yes go.mp3 rename to op3_demo/data/mp3/Yes go.mp3 diff --git a/op3_demo/Data/mp3/Yes.mp3 b/op3_demo/data/mp3/Yes.mp3 similarity index 100% rename from op3_demo/Data/mp3/Yes.mp3 rename to op3_demo/data/mp3/Yes.mp3 diff --git a/op3_demo/Data/mp3/intro_test.mp3 b/op3_demo/data/mp3/intro_test.mp3 similarity index 100% rename from op3_demo/Data/mp3/intro_test.mp3 rename to op3_demo/data/mp3/intro_test.mp3 diff --git a/op3_demo/Data/mp3/test/Announce mic test.mp3 b/op3_demo/data/mp3/test/Announce mic test.mp3 similarity index 100% rename from op3_demo/Data/mp3/test/Announce mic test.mp3 rename to op3_demo/data/mp3/test/Announce mic test.mp3 diff --git a/op3_demo/Data/mp3/test/Button test mode.mp3 b/op3_demo/data/mp3/test/Button test mode.mp3 similarity index 100% rename from op3_demo/Data/mp3/test/Button test mode.mp3 rename to op3_demo/data/mp3/test/Button test mode.mp3 diff --git a/op3_demo/Data/mp3/test/Mic test mode.mp3 b/op3_demo/data/mp3/test/Mic test mode.mp3 similarity index 100% rename from op3_demo/Data/mp3/test/Mic test mode.mp3 rename to op3_demo/data/mp3/test/Mic test mode.mp3 diff --git a/op3_demo/Data/mp3/test/Mode button long pressed.mp3 b/op3_demo/data/mp3/test/Mode button long pressed.mp3 similarity index 100% rename from op3_demo/Data/mp3/test/Mode button long pressed.mp3 rename to op3_demo/data/mp3/test/Mode button long pressed.mp3 diff --git a/op3_demo/Data/mp3/test/Mode button pressed.mp3 b/op3_demo/data/mp3/test/Mode button pressed.mp3 similarity index 100% rename from op3_demo/Data/mp3/test/Mode button pressed.mp3 rename to op3_demo/data/mp3/test/Mode button pressed.mp3 diff --git a/op3_demo/Data/mp3/test/Self test ready mode.mp3 b/op3_demo/data/mp3/test/Self test ready mode.mp3 similarity index 100% rename from op3_demo/Data/mp3/test/Self test ready mode.mp3 rename to op3_demo/data/mp3/test/Self test ready mode.mp3 diff --git a/op3_demo/Data/mp3/test/Start button long pressed.mp3 b/op3_demo/data/mp3/test/Start button long pressed.mp3 similarity index 100% rename from op3_demo/Data/mp3/test/Start button long pressed.mp3 rename to op3_demo/data/mp3/test/Start button long pressed.mp3 diff --git a/op3_demo/Data/mp3/test/Start button pressed.mp3 b/op3_demo/data/mp3/test/Start button pressed.mp3 similarity index 100% rename from op3_demo/Data/mp3/test/Start button pressed.mp3 rename to op3_demo/data/mp3/test/Start button pressed.mp3 diff --git a/op3_demo/Data/mp3/test/Start button test mode.mp3 b/op3_demo/data/mp3/test/Start button test mode.mp3 similarity index 100% rename from op3_demo/Data/mp3/test/Start button test mode.mp3 rename to op3_demo/data/mp3/test/Start button test mode.mp3 diff --git a/op3_demo/Data/mp3/test/Start mic test mode.mp3 b/op3_demo/data/mp3/test/Start mic test mode.mp3 similarity index 100% rename from op3_demo/Data/mp3/test/Start mic test mode.mp3 rename to op3_demo/data/mp3/test/Start mic test mode.mp3 diff --git a/op3_demo/Data/mp3/test/Start playing.mp3 b/op3_demo/data/mp3/test/Start playing.mp3 similarity index 100% rename from op3_demo/Data/mp3/test/Start playing.mp3 rename to op3_demo/data/mp3/test/Start playing.mp3 diff --git a/op3_demo/Data/mp3/test/Start recording.mp3 b/op3_demo/data/mp3/test/Start recording.mp3 similarity index 100% rename from op3_demo/Data/mp3/test/Start recording.mp3 rename to op3_demo/data/mp3/test/Start recording.mp3 diff --git a/op3_demo/Data/mp3/test/User button long pressed.mp3 b/op3_demo/data/mp3/test/User button long pressed.mp3 similarity index 100% rename from op3_demo/Data/mp3/test/User button long pressed.mp3 rename to op3_demo/data/mp3/test/User button long pressed.mp3 diff --git a/op3_demo/Data/mp3/test/User button pressed.mp3 b/op3_demo/data/mp3/test/User button pressed.mp3 similarity index 100% rename from op3_demo/Data/mp3/test/User button pressed.mp3 rename to op3_demo/data/mp3/test/User button pressed.mp3