Removed old Battlegear tab buttons, added base for all inventory tabs
Revert "Removed old Battlegear tab buttons, added base for all inventory tabs"

This reverts commit a20efb5e115a0fd4977e87ad2682bb341f68faf4.
Merge branch 'gui_1' of https://github.com/ZsoltMolnarrr/BattleGear2BattleClasses into gui_1
Fixed Equipment inventory tab