Add const in display functions.
Display inertia too.
Correct inertia and com frames.
Correct computation of the hand axes.

The translation should not be taken into account.
Correct warning message when the inertial info are missing.
Warning removal.
Add soversion.
Correct handling of continuous joint.

The joint limit value is supposed to be infinite.
Correct the construction of the hand frames.
Correct package.xml (REP127)
Merge pull request #11 from francois-keith/master

Correct inertia/com orientation + hand frames