added a simple structure for the documentation
finished building the rudimentary spectrum1d documentation
finished building the extremely rudimentary reddening documentation.
added @keflavich's indentation suggestions
Merge pull request #28 from wkerzendorf/adding_docs

Adding rudimentary docs
minor typo fix
Merge remote-tracking branch 'upstream/master'
fixed minor sphinx bug - thanks matplotlib PR 1708!
https://github.com/matplotlib/matplotlib/pull/1708/files
fixing __all__ in spectrum1d
added first implementation of generalized spectrum wcs
tried to implement the interpolation using WCSs
finished first implementation of WCS in the specutils class
added a little bit of Documentation
Merge pull request #29 from wkerzendorf/wcs/merging_modelling

First go at spectral WCS