[VOTE] Release rc1 as Roller v6.1.2

This release of Roller includes dependency updates, minor fixes and some
input validation fixes.

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