Merge pull request #248 from sidschingis/master

german link for faq tab
Version++
Spectate User
Little update of profile and register window skins
Code Refactoring
Reorganizing options window, adding music/sound volume controller through track bar and config file
Merging Player and Team Profile in same Window
Convert volume to double
Merge pull request #249 from Metabolic24/master

HMI little improvements
Fix

Hide() wasn't hiding the tab, set it to disabled so users who are not in
a team can understand where to find the tab when they join one
layout fix
Version++
merge upstream