CocoaLumberjack added to project

 - as at v1.9.2 (09b65ed)
Enable TTY logging
Switching (legacy?) BT code to lumberjack

 - for completeness
Switching legacy GK code to Lumberjack

 - for completeness
Switch misc views/controllers to Lumberjack

 - removed unnecessary logging in places
Mission editing switched to Lumberjack
Comm logging switched to Lumberjack
Radio config switched to Lumberjack
FWR code switched to Lumberjack
Removed unused function
Switched to Lumberjack
Redpark code switched to Lumberjack
DebugViewController switched to Lumberjack

 - misc defunct code removed
FileUtils switched to Lumberjack
Removed CommInterface dependency on Logger
Removing dependency on Logger
Reducing dependency on Logger
Superficial cleanup of DebugVC and related classes
Introduce file logger
Merge branch 'master' into igcs-100-logging