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 remote-tracking branch 'upstream/master' into cube_ani
Added diff_rot function.
TESTS!
Tidy
I have noidea what this is.
Bumped mpl to 1.1
Merge remote-tracking branch 'upstream/staging' into cube_ani

Conflicts:
	sunpy/map/mapcube.py
Git fail fix
Fixing merge fails
Fixes merge
Added docstring