GCS-Fixed several runtime warnings and too verbose debug output
GCS Cleaned all GCS compile warnings
GCS-Flight gear simulator plugin, use enum to index protocol

Documented enum.
Deleted some commented out code.
#581 House Cleaning-Changes according to review
Merge branch 'next' of git://github.com/TauLabs/TauLabs into gcs_warnings_and_debug_cleaning
#581 House Cleaning- Fixes after merge
Merge pull request #581 from guilhermito/gcs_warnings_and_debug_cleaning

House cleaning