Added command to properly update a developer installation
Fixes to Windows installation instructions
Miscellaneous fixes to documentation
Added meat to the docstring for Crotate's function
Removed (again) checking for PIL version
Refactor spectrogram.

Underlying ndarray is now a member.
Undo accidental change.
Remove debug.
Merge pull request #464 from ayshih/doc

Fixes, primarily to documentation
Remove dead code.
Remove dead code.
Merge pull request #465 from segfaulthunter/spectrorefactor

Refactor spectrogram.
Updated distribute_setup.py to version 0.6.45
Merge pull request #476 from ayshih/distribute

Updated distribute_setup.py
Merge branch 'staging' of github.com:sunpy/sunpy into staging