Add missing CMakeLists.txt to vision_visp metapackage
[travis] Build all packages using Catkin.
.gitignore: ignore root CMakeLists.txt as it should be added by catkin_init_workspace.
[visp_tracker] Remove useless call to setup.py
[travis] Install bullet manually for now
[travis] Install dmtx manually for now
[travis] Install zbar manually for now
Merge branch 'hydro-devel' into hydro