snapshot for development
Fix regression in 0.12.3 where artifacts without an explicit configuration wouldn't be listed in ivy.xml.
Add google analytics tracking to sbt documentation, so we can see which topics people are most interested in and better organize things.
Invalidate cache when metadata came from ProjectResolver. Based on the core idea in #770 by @ezh.

Fixes #768, closes #770, fixes #773.
0.12.4-RC2
snapshot for development