Fix redshift error in BoxHI
Delete stray CFLAG
Add openmp parallel code fieldizing
Disable it because it is a bit slower
Tweak plots
Unify the column density functions and fix a unit bug
Deal with periodic boundary conditions
Fix edge case in C fieldize
Merged Simeon's fix to periodic conditions and occasional Infs
Implement a neutral fraction ala Rahmati 2012
Change to using the Rahmati HI in grid generation
Fix stray factor of in smoothing length 1.5 left over from CiC interpolation
Comment out omp pragma that wasnt used, as it breaks some old gcc versions
Use slightly more accurate kernel integration
Cleanup unused code
Sub-sample small particles onto the grid. This is more accurate and avoids particles slipping through the gaps between grid cells (some arepo cells seem to have radii smaller than the smoothing length).
Minor change to plotting script:
find comparable small halos even when not loading the gas grid
gitignore
Merge github.com:sbird/DLA_script into josh_local

Conflicts:
	cold_gas.py
	halohi.py
Fixed periodic box conditions in halohi