Stubs
Refactor protocol indepent classes

- Remove MavLink moniker from general purpose comm classes
Turned CommController into proper singleton

- Will make managing connection pool and
  other related Comm objects easier

- Add GCSCommInterface enum w/NS_ENUM macro
Checkpoint on radio config/FWR interface
Re-add FightingWalrusInterface.h and m files to project
Defaut to GCSRovingBluetoothNetworkCommInterface

- Use blootooth by default when setting up Comm
  Stack

- Use iOS Team Provisioning Profile for debug builds