first commit of combiner class
Merge branch 'master' of https://github.com/astropy/ccdproc into combiner
fixed Matt's comments
add . before ccddata in combiner.py
added '.' before pytest
Merge pull request #47 from crawfordsm/combiner

Looks good, merging!
Remove ccdproc.cfg from version control
Merge pull request #71 from mwcraig/remove-config

Removing ccdproc.cfg from version control because it is automatically generated
Allow overscan region to be along either axis

Closes #70
Change implementation of setting overscan axis
Merge pull request #72 from mwcraig/fix-overscan

Updated to make overscan axis an explicit argument
Fix docstrings as suggested by @cdeil
Add __all__ to modules
Fix astropy inter sphinx link for building docs with 0.3.1

Closes #45 but can be removed once astropy 0.4 is released
Fix intersphinx links
Update astropy intersphinx to those used in 0.4
First attempt at documentation landing page