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
Merge pull request #2819 from phobson/boxplot-doc

DOC: clarified docstring for cbook.boxplot_stats
Rotate markers in Scatter plot
Rename _CollectionWithRotations to _CollectionWithAngles
apply incrementaly the Affine2D transform for size and angle
use super for draw method
apply only once the scale and rotation
error in configuration off affine transform for ellipseCollection
correct the angle orientation to clock-wize
pep8 line too long
unset affine transform for size and angle before applying the new parameters
resize transforms to feat at least the sizes/angles length