[BUGFIX release] Pass meta into watchKey when possible
[BUGFIX release] Reduce even more meta calls by passing it along in other places
[BUGFIX release] Reduce even more meta calls by passing it along in other places (doh, missed one)
[BUGFIX beta] fixed issue with transition.resolvedModels

Already-resolved parent models weren't showing
up in modelFor hook post-refactor

cc @wagenet
[BUGFIX release] finishChains was modifying meta incorrectly