update docs, removing WCSPath references
update link
Don’t use Qt file dialog
Merge remote-tracking branch 'keflavich/docs_alittle'
Fix Sphinx warnings
Don't use astropy theme for docs
Merge pull request #42 from astrofrog/fix-save-dialog

Don’t use Qt file dialog
Re-organize documentation
Fix note
Improvements to docs
Added warning about DS9 versions
Fixes suggested by @ChrisBeaumont
Add intersphinx for spectral_cube
Added TODO to specify DS9 version
Fix intersphinx key
Merge pull request #43 from astrofrog/update-docs

Update docs
Update to v0.4 of the affiliated package template
Disable test with Numpy 1.5 because it installs an old version of Matplotlib which is not compatible
Merge pull request #48 from astrofrog/update-template-v0.4

Update to v0.4 of the affiliated package template
use .value to avoid error calling nan_to_num on quantity