Fix goto message definition for relative type names
Fixed error in launch parsing.
Make vim not cry when a package isn't on the pp.
Merge branch 'master' of https://github.com/taketwo/vim-ros

* 'master' of https://github.com/taketwo/vim-ros:
  Make vim not cry when a package isn't on the pp.
  Fixed error in launch parsing.
  Fix goto message definition for relative type names