fix some formatting and casting errors that gcc pointed out.
Merge pull request #2 from msarahan/master

Add license terms
removed free of chisq - was crashing on Linux.
added primitive python script for reading .img files
add primitive plotting function for img files
Merge Christoph's fixes to cell offsets, wavefunction saving, and missing interimWave call.
removed free of chisq that was crashing on linux. (Regression.)  Cleaned up omp.h include.