created CTL simulators to send CTL command on and off and to receive CTL commands
really adding files this time!
Better preprocessor defines/comments and cleanup
Reworked threading
Assorted fixes to make it work
Fixed thread killing and restarting, including via commands
Makefile fixes for CTL*Simulator
Removed GSE command port because flight software doesn't need it
Missed a correction
Capability to print out a crude focus report
Merge pull request #95 from ayshih/forward

Assorted improvements!
What am I doing
merge from upstream
added command handling for changing gain
Reworked camera settings
Simple commandline tool to read the SBC temperatures/voltages
Allowing values of 0 for gain parameters
Merge pull request #97 from ayshih/sc

Next batch of changes
Merging in changes from HEROES-GSFC
Renamed CircleFit