Add Windows fixes and fix dependencies on blas and lapack.
Upgrade to GLUI 2.36.
Some changes to get things building on OS X again.
Try building on appveyor.
Only build this branch until it's merged to master.
Fix install step?
Twiddle build.
Fix some compilation issues...

... when threads and OpenGL support are off.
Merge pull request #6 from vibraphone/AddWindowsAndLapackFixes

Some changes to get things building on OS X again.
Merge pull request #1 from ricortiz/AddWindowsAndLapackFixes

Add Windows fixes and fix dependencies on blas and lapack.