Add check for simbad in script test
Remove newline that was breaking FITS logging tests
xfail if simbad is down
Set up namespace for ImageFileCollection
Update travis to use conda binaries

Closes #165
Update to astropy 0.4 coordinates API

Closes #163
Rewrite generation of compressed file for testing

Using with is a little easier to read
Patch test to ignore compressed fits file

Something sensible should be done instead, see #166
Merge pull request #164 from mwcraig/doc-image-coll

Several minor fixes