Update briefing.sqf

* Fix _unitSide assignation.
Update briefing.sqf

* Extra fixes where _unitSide needs to be a string.
Update briefing.sqf

* Remove check for group leader, obsolete.
Update description.ext

* Remove 3Person param, force by default.
Update fn_CamInit.sqf

* Possible fix for TFR spectator underwater bug. (untested)
Merge pull request #2 from cptnnick/dev

Dev