Simplified and generalized the handling of `:trac:` links in the reST processor, by making use of the !LinkFormatter. Closes #3526.
Simplified and generalized the handling of `:trac:` links in the reST processor, by making use of the !LinkFormatter. Closes #3526.

git-svn-id: 0d96b0c1a6983ccc08b3732614f4d6bfcf9cbb42@3610 af82e41b-90c4-0310-8c96-b1721e28e2e2

rbaumg/trac,rbaumg/trac,rbaumg/trac,rbaumg/trac