[VOTE] Release rc2 as Roller v6.1.2

This release of Roller includes dependency updates, minor fixes and some
input validation fixes. This new RC removes an unnecessary Solr dependency,
makes some small docs fixes and removes an unnecessary error message.
Thanks for the reviews!

You can find the convenience binaries and the source code of the release
here: https://dist.apache.org/repos/dist/dev/roller/roller-6.1/v6.1.2/

Please take it for a spin and vote:
+1 to release
-1 not to release (with reasons)

Thanks,
Dave