Added a .gitignore entry for Code::Blocks projects on the ros directory.
Added a .gitignore entry for Code::Blocks projects on the ros directory.

USU-Robosub/Gilligan,chris-blay/guillemot-core,USU-Robosub/Gilligan,chris-blay/guillemot-core,chris-blay/guillemot-core,USU-Robosub/Gilligan,USU-Robosub/Gilligan,chris-blay/guillemot-core,USU-Robosub/Gilligan,chris-blay/guillemot-core