update news
update doc
Change Grapher render() function to match documentation API, pass part of previous render code to post_process
Fix issues in doctest : add doctest Ellipsis on timeside version + clean up test_run_all_doctests
Tests : supress print in test_run_all_doctests
ortho fix
Merge branch 'dev'

Conflicts:
	doc/source/news.rst
graphers : fix default window function
Merge branch 'master' of github.com:yomguy/TimeSide
0.5.1 again
goto 0.5.2