Merge pull request SciTools#1200 from dopplershift/whatsnew-0.17

Update what's new for 0.17

Merge pull request SciTools#1028 from pelson/whats_new_0.16

Prepared the what's new for v0.16.

Merge pull request SciTools#862 from dkillick/v0151

Bump version to v0.15.1

Merge pull request SciTools#850 from lbdreyer/version_fix

Update other version numbers .

Add a user/site specified background image directory (SciTools#815)

* Added code to include user defined background image library.

14.3 version

Merge pull request SciTools#757 from QuLogic/proj4-warnings

Update Proj4 warnings

Merge pull request SciTools#747 from ltiao/patch-1

Fix bug in setup.py

Merge pull request SciTools#741 from pelson/v0.14

Prepare for v0.14.0

Merge pull request SciTools#705 from rhattersley/prep-0.13.1

Bump version for v0.13.1