Improve catkin packages thanks to catkin_lint

[VictorLamoine]

Fixes #221

Main fixes

• Sorting strings alphabetically
• Replacing project name strings by ${PROJECT_NAME}
• Making sure all files are installed

There are still some warnings because of the descriptions of the packages, this really is minor:

./descartes_moveit
catkin_lint: checked 1 packages and found 0 problems
./descartes_planner
descartes_planner: notice: meaningless package description 'The descartes_planner package'
catkin_lint: checked 1 packages and found 1 problems
./descartes_tests
descartes_tests: notice: package description starts with boilerplate 'A package'
catkin_lint: checked 1 packages and found 1 problems
./.git
catkin_lint: no packages to check
./descartes_core
descartes_core: notice: package description starts with boilerplate 'The descartes_core package'
catkin_lint: checked 1 packages and found 1 problems
./descartes_trajectory
descartes_trajectory: notice: meaningless package description 'The descartes_trajectory package'
catkin_lint: checked 1 packages and found 1 problems
./descartes_utilities
descartes_utilities: notice: package description starts with boilerplate 'This package contains'
catkin_lint: checked 1 packages and found 1 problems
./descartes
descartes: notice: package description starts with boilerplate 'Descartes is a'
catkin_lint: checked 1 packages and found 1 problems