Initial change to custom HUD control.

Changed all HintSilent to new TFAR_Fnc_showHint/hideHint.
Setting channels now uses the new hint system.
Switched over to a single localized text for transmitting. Changed the transmit to use the new HUD control.
Added changes to debug mission.
Merge pull request #378 from CorruptedHeart/AlertControl

HUD Alert Control