Added dynamic reconfigure for PID gains
Merged hydro-devel
Updated CMakeLists.txt and made fixes per Adolfo
Fixes per Austin review
Added realtime buffer to PID, re-ordered functions to more logical order and to match header file
Added realtime_tools as a dependency in package.xml and CMakeLists
Added new function getGainsConst that allows one to get the PID gains from a const PID class
Removed const read, added copy constructor and print values function
Added test for getting/settings gains, copying/assigning pid class
Made realtime_buffer copiable
Compatibility changes for realtime_tools, tweaked getests
Small fixes
Removed const getGains function
Merge pull request #1 from davetcoleman/hydro-devel

Added dynamic reconfigure for PID gains