Thunderbolts and lightning
Changed some light and fog settings.
Major update, delete old stuff, add rain and ambient thundereffects
Added bloom post process.
Fixed collision bug, more and realistic thunder.
Fixes #38, gaussian blur together with bloom now working. Temporarily disabled branching of thunder bolt due to some bug.
Merge branch 'bloom'

Conflicts:
	datx02-rally/datx02-rally/Particles/WeatherSystems/ThunderBoltGenerator.cs
	datx02-rally/datx02-rallyContent/datx02-rallyContent.contentproj
Merge branch 'shadows'

Conflicts:
	datx02-rally/datx02-rally/Game1.cs
	datx02-rally/datx02-rallyContent/Effects/TerrainShading.fx
Added support for sending car rotation to users. Fixes issue 37.
Will now remove cars of players that have disconnected.
Fixed the point lights not lighting the terrain so much.
Merge branch 'master' of https://github.com/MintL/datx02-rally
Added naive frustum culling to the trees.
Changed some camera settings.
Fixed a bug where the terrain was not rendered.
Added FPS counter enabled by writing show fps in console.
Merge branch 'master' of https://github.com/MintL/datx02-rally
Added set command to console, now only has set performancemode 1 command. Also added settings that should be saved between runs (however, it doesn't yet).
Merge branch 'master' into GameMenu