[Dovecot] v2.1.alpha2 released

http://dovecot.org/releases/2.1/alpha/dovecot-2.1.alpha2.tar.gz http://dovecot.org/releases/2.1/alpha/dovecot-2.1.alpha2.tar.gz.sig

This is actually looking rather stable. I'm still calling it "alpha" in case I think of doing some more API changes, but I think the next one will be called "beta1", hopefully soon followed by "rc1".

• Statistics gathering improvements (more fields) and fixes.
• Lots of imapc fixes and improvements
• Fixes to handling shared namespaces
• Several other fixes