added paint for the city

heyeyeyeyey
added painted city

yup heyeyeyey
changes RemoveAll references to custom versions

Prevous implementations of List<T>.RemoveAll() were not available on the
Xbox 360's implementation of the .NET Framework. By using a custom
version from an internet forum, we were able to make it less
complicated.
altered thread yeild in LevelState

not compatible on the Xbox 360
my graphics and maps and stuff

shitttttt
fixed bullet in list issue