Update to reflect the recent move to GitHub

git-svn-id: svn+ssh://astrometry.net/svn/trunk/src/astrometry@25017 03a3cea6-2c03-0410-ac9b-9271b1c66c29
Fix rst warnings.

git-svn-id: svn+ssh://astrometry.net/svn/trunk/src/astrometry@25018 03a3cea6-2c03-0410-ac9b-9271b1c66c29
Fix warnings in readme.rst .

git-svn-id: svn+ssh://astrometry.net/svn/trunk/src/astrometry@25019 03a3cea6-2c03-0410-ac9b-9271b1c66c29
git tagging and releasing

git-svn-id: svn+ssh://astrometry.net/svn/trunk/src/astrometry@25022 03a3cea6-2c03-0410-ac9b-9271b1c66c29
Add link to release

git-svn-id: svn+ssh://astrometry.net/svn/trunk/src/astrometry@25023 03a3cea6-2c03-0410-ac9b-9271b1c66c29
What paper should I cite?

git-svn-id: svn+ssh://astrometry.net/svn/trunk/src/astrometry@25024 03a3cea6-2c03-0410-ac9b-9271b1c66c29
What paper should I cite?

git-svn-id: svn+ssh://astrometry.net/svn/trunk/src/astrometry@25025 03a3cea6-2c03-0410-ac9b-9271b1c66c29
What paper should I cite?

git-svn-id: svn+ssh://astrometry.net/svn/trunk/src/astrometry@25026 03a3cea6-2c03-0410-ac9b-9271b1c66c29
What paper should I cite?

git-svn-id: svn+ssh://astrometry.net/svn/trunk/src/astrometry@25027 03a3cea6-2c03-0410-ac9b-9271b1c66c29
convert PNG images in documentation to JPG

git-svn-id: svn+ssh://astrometry.net/svn/trunk/src/astrometry@25028 03a3cea6-2c03-0410-ac9b-9271b1c66c29
Merge branch 'master' of github.com:dstndstn/astrometry.net