This makes dynamic-graph-bridge-v3 compiles on 16.04 LTS.

This is necessary to include tf in the library to be linked with.

Add proper dependence to the SoT packages.

with filling sensor, control computation and sending control.

Integrate bug fixed in robotpkg.

A sot plugin should be installed in lib/plugin.

  pc file is generated both by catkin and by cmake module. Keep both up to date
  for security.

generated by catkin.
Update package.xml accordingly (i.e. cpp export is obsolete)

Correct issue in ubuntu 13.04

Some of the library were not generated in the lib folder,
 so linking with the dynamic_graph crashed.
Update the dependencies in packages: the dependency in jrl-dyn-urdf
 does not concern the ros package version anymore.

this will allow to close Issue #18

  It seems that everybody is still using the old style ROS build system...