Bikini72 bug fix: spaceship not landing

Bikini72 bug fix: windows flickering

Better Flag management

- Bug fixes
- Better Hacklab integration

Bug fixes

Detect drivers not supporting OpenGL2

- 3D
- Coop
- Extension: Forensic

Build: 6322037

New features
- Flag validated animation
- Dual screen (Thanks Motus)
- Floating/resizable windows (xtrem, proxy, bruteforce,...)

Patchs
- Achievement VIP
- Prepare Discord integration
- Prepare Linux target
- Prepare Virtualbox hypervisor
- Few typo correction
- Added few Hacker's guide entries