Merge branch 'master' into svn

Conflicts:
	readme.txt

git-svn-id: https://plugins.svn.wordpress.org/papercite/trunk@761120 b8457f37-d9ea-0310-8a92-e5e31aec5664
Stable version is 0.5.2

git-svn-id: https://plugins.svn.wordpress.org/papercite/trunk@761121 b8457f37-d9ea-0310-8a92-e5e31aec5664