Tag 16.4.1 release

Tag 16.4.0 release

Tag 16.3.2 release

Tag 16.3.1 release

Tag 16.3.0 release

Tag 16.2.0 release

Tag 16.1.1 release.

git-svn-id: svn://svn.twistedmatrix.com/svn/Twisted/tags/releases/twisted-16.1.1@47205 bbbe8e31-12d6-0310-92fd-ac37d47ddeeb

Tag 16.1.0 release.

git-svn-id: svn://svn.twistedmatrix.com/svn/Twisted/tags/releases/twisted-16.1.0@47147 bbbe8e31-12d6-0310-92fd-ac37d47ddeeb

Tag 16.0.0 release.

git-svn-id: svn://svn.twistedmatrix.com/svn/Twisted/tags/releases/twisted-16.0.0@46992 bbbe8e31-12d6-0310-92fd-ac37d47ddeeb

Tag 15.5.0 release.

git-svn-id: svn://svn.twistedmatrix.com/svn/Twisted/tags/releases/twisted-15.5.0@46358 bbbe8e31-12d6-0310-92fd-ac37d47ddeeb