* sipwise_groups:
changes in arguments of roster-load event
* sipwise_lastactivity:
integrate improvements from prosody 0.11
* sipwise_vhosts_sql:
enable muc_mam if mam is enabled
Add README.md with some manual checks I do to test the
functionality in profanity
Change-Id: Ia3df562b35dbe37e4d8da7661a7a7634d2c61768
* sql module was moved to util package
* no need to set encoding manually, is done in engine:connect()
* reuse engine if available, seems to be the way other modules
behave
Change-Id: I39afeb5a08ca5199e3f096fb43a4e8c3eac779ea