Added dynamic reconfigure for PID gains#1

Merged

ahendrix merged 13 commits intoros-controls:hydro-develfrom davetcoleman:hydro-devel

Jul 29, 2013

+634-176

Commits on Jul 11, 2013

Commits on Jul 15, 2013

Commits on Jul 18, 2013

Added realtime buffer to PID, re-ordered functions to more logical order and to match header file
davetcoleman
committed
Added realtime_tools as a dependency in package.xml and CMakeLists
davetcoleman
committed
Added new function getGainsConst that allows one to get the PID gains from a const PID class
davetcoleman
committed

Commits on Jul 19, 2013

Removed const read, added copy constructor and print values function
davetcoleman
committed

Commits on Jul 22, 2013

Commits on Jul 23, 2013

Small fixes
davetcoleman
committed

Commits on Jul 26, 2013

Removed const getGains function
davetcoleman
committed