refactor update subroutine into instance method
change "done" to "next" to match docs
drop dbRef convenience method
remove database:untouched event
remove database property from resource-level events
move create/edit statistics into target:done event
support deriving target databases from a view
change "design" key to "assets" to disambiguate from couch design docs
lint
update documentation
bump version to 0.1.2
bump version to 0.2.0
update history
Merge branch 'release-0.2.0' into develop