Re-ordered some member variables so that padding on 64-bit pointers don't use unnecessary space, also defined bit fields for some bools and moved them to the end of memory. Some minor formatting changes, and got rid of the annoying upper case .H in the VC projects.

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@2269 dfc29bdd-3216-0410-991c-e03cc46cb475