Windows build and compatibility
Minor adjustments to MSVC project configuration
added targets for data tarballs, improvements to file I/O error handling
removed massive MSVC metadatafile from git repo
further updates to .gitignore to prevent inclusion of annoying *.opensdf files from MSVC (as massive as the .sdf I removed earlier)
EVEN MORE .gitignore for MSVC spam files
improved 'pack' target
fixing file mode change caused by Windows file systems. Will find a way to prevent this problem from occurring
added texturing, updated to use SOIL, added refs, will need to rework loadmesh in gl1util
updated README with build instructions
newline for better markdown appearance
better heading sizes
updated instructor readme with additional prereqs
switched to .zip packs for windows
fixed mesh import instancing problem