Add dynamic_graph_bridge_msgs package
Uses standalone version of jrl_dynamics_urdf.
Merge pull request #21 from francois-keith/stand_alone_jrl_dyn_urdf

Uses standalone version of jrl_dynamics_urdf for groovy and hydro
Add dependency in libbullet-dev (for jrl-dynamics-urdf).
Correct the creation of the config file.
Only call rosinstall once.
Install bullet after ros ppa is added.
Crash if apt-get failed.
Make git quiet whenever possible.
Use the correct version of sot-pg, correct compilation order.
Update README.md

Remove reference to electric, cleanup
Correct the cloning process: directly take the branch to clone if given.

Allows avoiding issues during the checkout.
e.g. because of submodules creation/destruction.
[Travis] Correct travis.

The old version crashed after 3000 characters are written on travis.
Also, it seems impossible to redirect the output to read it
at the end of the compilation.
Finally, reduce the output of the make command in order to
fit travis output conditions (<4Mb)
Change the test for jrl_dynamics_urdf to simplify the add of new ros distro.
Move some functions in the dependencies in order to have a cleaner code.
[Travis] Synchronize.
Update the origin of the sources to compile on catkin.
Update the dependencies download.
Add kul packages.