Added same defaults to peek() as in map
Added some initial work towards animating MapCube using mpl.animate.

Also added sunpy.util.plotting which holds some of the more general animation
functions at the moment, but could be used for other general plotting routines.
Fixed having to have callbak in main script.
Add option for slider to plotting.add_controls
setup on home pc
Merge branch 'cube_ani' of https://github.com/Cadair/sunpy into cube_ani
Modified comp_map.draw_limb to find first map with rsun attr.

Also forcibly set zorder in map.draw_limb() to make it on top of comp map
Added back distribute_setup.py
Merge branch 'staging' into cube_ani

Conflicts:
	sunpy/map/compositemap.py
Merge pull request #395 from sunpy/staging

Merge Staging to Master
Merge remote-tracking branch 'upstream/master' into cube_ani
Added diff_rot function.
TESTS!
Tidy
Prposed patch to allow specifying the site keyword in vso_get
I have noidea what this is.
Added information about the site keyword into the docstring of the function get()
Bumped mpl to 1.1
Merge remote-tracking branch 'upstream/staging' into cube_ani

Conflicts:
	sunpy/map/mapcube.py
Git fail fix