uav-dev: migrate repo from svn to git
uav-dev: removed images from repo
uav-dev: unload video sync code for ONR research

work in progress
uav-dev: update onr code with CMake and opecv\n\n re-organized uavos a bit
ONR: replaced boost/asio with termios
onr: implemented threading
ONR: implemented data logging, img saving
ONR: changed saving directories to incorporate time of experiemnt; letting program to detect heartbeat from IMU
make sure date can be 1-digit
add cmake file for uavos
ONR (Xichen Shi): test commit
ONR: takeout program termination when com port not open, for current DEBUG
Revert "ONR (Xichen Shi): test commit"

This reverts commit e95a25b22f8e9186ef84efe42b98bc0489172f2f.
Merge branch 'master' of https://code.google.com/p/unmanned-aerial-surveillance
ONR: updated stream through usb

added freq setting after initialise for raw_imu to 50hz;
added system_status check from heartbeat;
Q: need to figure out if the usb mux reset everytime terminal opens
Merge branch 'master' of https://code.google.com/p/unmanned-aerial-surveillance
ONR: added new data streams

added: new message handling functions;
added: new logging functions;
added: separte stream freq setting;
note:  data stream are set at different Hz
UAVOS: reconfigured the architecture
Merge branch 'master' of https://code.google.com/p/unmanned-aerial-surveillance
ONR: added gps_raw and fixed frame resolution