Merge pull request #606 from lodle/master

Added virtual solution folders for visual studio
cmake: add a wrapper function for installing libraries
cmake/bzip2: tidy up cmake file
remove old msvc files
cmake/sqlite: tidy up cmake file
sqlite fixup
cmake/sqlite3x: tidy up cmake file
cmake/tinyxml2: tidy up cmake file
Fixed desura exe on windows to build as static run time and compile :D