Merge pull request #395 from FlansMods/Development

Merge 4.2.3 1.7.2 update into master
Create zh_CN.lang

I will update it next time.
Merge pull request #404 from Darkyoooooo/patch-1

Create zh_CN.lang
Merge pull request #431 from FlansMods/dev

merge v4.4.0 code
Jetpack!!
Merge branch 'dev' of github.com:FlansMods/FlansMod into dev
Undo change reverting iron name
Merge pull request #519 from NitroBoy2/dev

Don't make him depressed!
Create GIGN
Create GIGNAssault1
Create GIGNAssault2
Create GIGNDualWield1
Create GIGNEngineer1
Create GIGNMedic1
Create GIGNSniper1
Create GIGNSniper2
Merge pull request #523 from NitroBoy2/dev

Fixed floating suppressor for M4
Create GIGNBody
Create GIGNBoots
Create GIGNHelmet