Various fixes / additions

Cleanup angelscript init code (weapons)
Cleanup text drawing (dedicated text with shadow function)
Add killfeed icons (Icons made by JoJoe_Stinkey)
Add windows executable icon (also made by JoJoe_Stinkey)
Add test application (used for testing killfeed)
Updated windows readme
Add localhost quickconnect buttons (for developers mainly, in the serverbrowser misc tab)
Add Version selector next to the connect button.