DOC: specified the keys of the dictionaries returned by cbook.boxplot_stats
DOC: formatted key-value list as a table and added some latex math
DOC: fixed newlines around table and end of docstring
TST : make 3.2 pass again

1) fixed pep8 in test_legend
2) knownfailed the animationsmoketests on 3.2
Merge pull request #2838 from tacaswell/fix32

TST : make 3.2 pass again
quiver: handle autoscaling with quiverkey when animated

Added a test. Closes #2616.
Merge pull request #2835 from efiring/quiver_animate

quiver: handle autoscaling with quiverkey when animated
Merge pull request #2819 from phobson/boxplot-doc

DOC: clarified docstring for cbook.boxplot_stats