Preparing release 3.0.12

git-svn-id: http://svn6.assembla.com/svn/pyfits/branches/3.0-stable@2368 ed100bfc-0583-0410-97f2-c26b58777a21
Back to development: 3.0.13

git-svn-id: http://svn6.assembla.com/svn/pyfits/branches/3.0-stable@2369 ed100bfc-0583-0410-97f2-c26b58777a21
Remove the checks for whether the released project is 'pyfits'--these are not necessary since the release hooks are no longer installed as setuptools entry points

git-svn-id: http://svn6.assembla.com/svn/pyfits/branches/3.0-stable@2370 ed100bfc-0583-0410-97f2-c26b58777a21
Update the releaser hooks to tweak how tags are created--this is taken right out of Astropy, and I had forgotten this wasn't the default behavior of zest.releaser...

git-svn-id: http://svn6.assembla.com/svn/pyfits/branches/3.0-stable@2371 ed100bfc-0583-0410-97f2-c26b58777a21