Set default quality for rendering jpegs with PIL to 95.
Straw man commit for making the jpeg quality (when saved by PIL) configurable
via rcParams.
Added savefig.jpeg_quality to the rcParams correctly

With a short one-line doc in matplotlibrc.template.
added jpeg quality support for gdk backend
Added jpeg quality support for gtk backend
Added jpeg quality support for wx backend
bugfix: SetOption for wx.Image takes a string, not an int.
Two newline fixes to comply with PEP8
DOC - two modules link appeared in the documentation

ref #1837
FIX - deleted the documentation that made the latex build fail

closes #1836
Merge pull request #1932 from NelleV/doc_FIX

DOC - two modules link appeared in the documentation
Merge pull request #1935 from NelleV/1836_latex_docs_fail

1836 latex docs fail
Merge pull request #1771 from dhyams/jpeg_quality_95_by_default

Jpeg quality 95 by default with rendering with PIL