Make miniconda.sh executable
Add back Python 3.2 with an old Numpy version
Merge pull request #2532 from embray/issue-2532

astropy_helpers not found in "cd docs; make html"
Merge pull request #2602 from mdboom/config/dont-warn-if-there-is-not-supposed-to-be-a-config-file

Don't warn about missing config file if there isn't supposed to be one.
Add an electron unit

This is used heavily in ccdproc; having it in core astropy would be convenient
Add formatting to electron unit
Add changelog entry
Update channel name
Try and simplify Travis file by setting default for NUMPY_VERSION and OPTIONAL_DEPS
Attempted fix of #2597.  Forcibly put the "new" astropy at the front of
the sys.path when building wcs test extension.
Add CHANGES entry
Merge pull request #2601 from mdboom/constants/copy

Constants can't be deepcopied
Merge pull request #2415 from astrofrog/use-miniconda-for-travis

Use MiniConda for setting up dependencies
As reported by Phil the new_table function wasn't passing on the nrows and fill arguments to the underling _TableBaseHDU.from_columns method.
Add numpy version to all conda install commands to ensure numpy is not upgraded
Fittable models should not be linear by default, though I added linear=True to a couple models that are clearly linear in their parameters
Fix typo in a couple of docstrings
Merge pull request #2610 from mwcraig/pin-numpy

Add numpy version to all conda install commands to ensure numpy is not u...
Don't use --parallel with Python 3 in .travis.yml
Followup to 121eb3ff5d8d2dad72993ad36d2e27e1683a8148 -- the header argument also was not being passed through.