catkinizes tree_kinematics package
* adds messages from uncatkinized packages
* modifies existing IK service definition
* adds minor updates (e.g. removes reasons of various deprecated
warnings)
* adjusts formatting
* moves kinematics services from tree_kinematics class to node
* enables GetPositionFk service again
* adds copy of GetPositionFk from uncatkinized arm_navigation stack
adds dependency for generating messages _before_ compiling the library
adds forgotten FK service file