Tag 15.2.1 release

git-svn-id: svn://svn.twistedmatrix.com/svn/Twisted/tags/releases/twisted-15.2.1@44926 bbbe8e31-12d6-0310-92fd-ac37d47ddeeb

Tag 15.2.0 release.

git-svn-id: svn://svn.twistedmatrix.com/svn/Twisted/tags/releases/twisted-15.2.0@44860 bbbe8e31-12d6-0310-92fd-ac37d47ddeeb

Tag 15.1.0 release

git-svn-id: svn://svn.twistedmatrix.com/svn/Twisted/tags/releases/twisted-15.1.0@44383 bbbe8e31-12d6-0310-92fd-ac37d47ddeeb

Tag 15.0.0 release

git-svn-id: svn://svn.twistedmatrix.com/svn/Twisted/tags/releases/twisted-15.0.0@43793 bbbe8e31-12d6-0310-92fd-ac37d47ddeeb

Tag 14.0.2 release

git-svn-id: svn://svn.twistedmatrix.com/svn/Twisted/tags/releases/twisted-14.0.2@43133 bbbe8e31-12d6-0310-92fd-ac37d47ddeeb

Tag 14.0.1 release

git-svn-id: svn://svn.twistedmatrix.com/svn/Twisted/tags/releases/twisted-14.0.1@43121 bbbe8e31-12d6-0310-92fd-ac37d47ddeeb

Tag 14.0.0 release

git-svn-id: svn://svn.twistedmatrix.com/svn/Twisted/tags/releases/twisted-14.0.0@42637 bbbe8e31-12d6-0310-92fd-ac37d47ddeeb

Tag 13.2.0 release

git-svn-id: svn://svn.twistedmatrix.com/svn/Twisted/tags/releases/twisted-13.2.0@40596 bbbe8e31-12d6-0310-92fd-ac37d47ddeeb

Tag 13.1.0 release

git-svn-id: svn://svn.twistedmatrix.com/svn/Twisted/tags/releases/twisted-13.1.0@38969 bbbe8e31-12d6-0310-92fd-ac37d47ddeeb

Tag 13.0.0 release

git-svn-id: svn://svn.twistedmatrix.com/svn/Twisted/tags/releases/twisted-13.0.0@37922 bbbe8e31-12d6-0310-92fd-ac37d47ddeeb