Release v1.4.3

This is the last planned bug-fix release in the 1.4 series.

v1.4.3rc1 (February 2015)

v1.4.2 Release (October 2014)

 - re-build pyplot to reflect all changes from 1.4.1
 - fix build issues on OSX

v1.4.1 release (October 2014)

Bug-fix release for the 1.4 series.

 - reverts the changes to interactive plotting so `ion` will work as
   before in all cases
 - fixed boxplot regressions
 - fixes for finding freetype and libpng
 - sundry unicode fixes (looking up user folders, importing
   seaborn/pandas/networkx with macosx backend)
 - nbagg works with python 3 + new font awsome
 - fixed saving dialogue in QT5

v1.4.1 release candidate 1 (October 2014)

Tagging v1.4.0 release

Release candidate 2 for 1.4.0

Tag v1.3.1rc2

Tagging 1.3.1rc1

Tagging v1.3.0 release