Merge pull request #26 from TylerFolsom/master

Hangs in initialization
Merge pull request #29 from TylerFolsom/6a65ff7f8b21c8164580db4f1c3cbdfc3b8cfb39

Joystick moves all systems
Merge pull request #28 from TylerFolsom/master

No sort median filter; brake test expanded.
Merge pull request #30 from TylerFolsom/master

New sonar board; trio modified to match
Merge pull request #31 from TylerFolsom/master

Parts match physical size
Merge pull request #32 from TylerFolsom/master

New parts in Library
Merge pull request #33 from TylerFolsom/master

Rearranged signals
Small cleanup of headers, compile errors.
Merge pull request #34 from ptressel/master

Small cleanup of headers, compile errors.
Power and ground traces
Routed
Proto area; thickened traces
Rear facing sonars; angles adjusted
Silkscreens; smaller sonar board
Silkscreens; smaller sonar board