Added step button
Howard Reference
more Reference
Finished modifications and added Snodgrass paramters
Merge pull request #385 from Cadair/cube_ani

Adds Animation to the MapCube object.
Author modification
Merge branch 'diff_rot' of https://github.com/Cadair/sunpy into diff_rot

Conflicts:
	sunpy/coords/util.py
Merge pull request #412 from sunpy/master

Update staging again.
Merge pull request #401 from Cadair/diff_rot

Tided version of previously submitted diff_rot code
Fix for lightcurve tests on build server
Merge pull request #413 from nabobalis/staging

Fix for lightcurve tests on build server
Merge https://github.com/bmampaey/sunpy

Conflicts:
	sunpy/net/vso/__init__.py
Reformat (line length) LICENCE.txt
Licence year
Fix
Travis Fight - Round 1
Merge branch 'staging' of https://github.com/sunpy/sunpy into staging
Travis Fight - Round 2
Travis Fight - Round 3 - SciPy
Travis Fight - Round 4 - SciPy