Put some order in directory structure.
Added make.sh to build everything.
Added python script to pre-process irrlicht includes where they needed.
Added python script to update csproj with generated files.
Made swig to include all the headers.
Merge branch 'master' of https://github.com/rndbit/IrrlichtDotNet

Conflicts:
	.gitignore
	IrrlichtDotNet.csproj
	IrrlichtDotNet.pro.user
	irrlicht.i