PIOS - Added missing functions to OSX and POSIX targets

Updated file headers
PIOS X/pios_iap.c and .h updated headers
Flight/CommonBL Added new BL_EVENT_FORCE_BOOT to trigger a boot

from the backup registers
Flight/F1 BL Fixed header and stlye issue
Flight/Common BL - Fixed small style issue
GCS Reenable translations

TODO Check if no compile issues are found on windows