Merge pull request #4 from Afr0/XNA4-attempt-400

Small changes.
Let's just ignore all the suo files

And other Visual Studio-based, and MonoDevelop-based, and addiontal
Windows files, and any on Linux too. This git needs a desprate clean up,
overall.
Removed unknown project files

tso.contentProj.csproj and TSOClientContent.contentproj? Huh?
Merge pull request #101 from ZackCDLVI/XNA4-attempt-400

Addiontal clean up