Replacing the return statement, so that flat-fielding is not done, and replacing history message with a more generic version.
Fixing variable problem that caused history comments not to be written to header
Changing readfits to headfits for better performance
Fixing the calls to non-functioning methods, in case they ever get fixed.
Removing astrolib and atv.  These should now be installed as external ependencies
Adding modified fitsdir back into distribution
Adding modified fitsdir back into distribution
Fixing issues with history in header and fixing bug where C2 data wouldn't reduce because of undefined variables
Fixing logic error in C2 centroiding reduction
Adding some useful things to the .gitignore
Fixing a number of minor bugs that cause gui crashes in unusual cases
Merge branch 'master' of https://github.com/lkeller/drip_fg
Merging cleaned version with fg updates
Merge branch 'master' of https://github.com/lkeller/drip_fg
Fixing extra print caused by merge
Merge branch 'master' of https://github.com/lkeller/drip_fg
Merge branch 'master' of https://github.com/lkeller/drip_fg
Merge branch 'master' of https://github.com/lkeller/drip_fg
Moving drip_flat out of common, into drip/fg