Fix some typos in stats docs
Remove broken link

One of the link containing more information on the function `super()`
was broken. Fixes #1376
Speed-up of quantity initialisation
Change try/except to if statement that checks for more specific problem
Further speedup: no local import(!), return whenever ready
Make Quantity initialisation of Quantity even faster
Add entry to CHANGES.rst
io.ascii LaTeX table writer: add tablealign to latexdict

fixes #1777
Skip doctests that require a remote server
Specify fixed versions for Matplotlib, Sphinx, and Cython to avoid breaking builds when new versions are released.
Add support for REMOTE flag to doctests.
Document new REMOTE flag in doctests.  Remove out-of-date information
about doctest flags remaining in the output.
Mark some doctests as +REMOTE
Merge pull request #1842 from astrofrog/switch-wheel-servers

Switch wheel server order to use mirror
Remove spurious warning from printwcs, as reported by Maik Riechert on astropy@scipy.org
Add changelog entry.
update CHANGES.rst
Merge pull request #40 from mdboom/docs/disable-remote-doctests

Add REMOTE flag to doctests so we can disable tests that require remote data
Added known issue for MAGEIA-2 and 3 install bug
Updated wording following @embray's suggestion