Added definition for BF4 R21
Fixed yell duration for ingame admin in BF4 (fixes #89)
Changed string comparison to String.Compare in game detection for ingame admin
Added definition for R22 for BF4
Added weapon definitions for "Second Assault" additions (lacking DAO-12 ammo types)
Added English localisation for "Second Assault" weapon additions
Added German localisation for "Second Assault" weapon additions