fix del_privacy_lists odbc query
Handle multiple MUC invites in single stanza

This is what's found in example 63 in XEP-0045 (version 1.25),
and also what the schema specifies (unbounded number of 'invite'
elements).

This closes esl/MongooseIM#176.
Remove PAM leftovers, resolves #177
wrong number of arguments did not give correct error
ejabberd_tests 2.1.10
Merge pull request #181 from esl/remove-pam

Remove PAM leftovers
Merge pull request #180 from legoscia/muc-multi-invite

Handle multiple MUC invites in single stanza
Always call erl_ddll:format_error on driver load failure

erl_ddll:load_driver usually returns a cryptic error code such
{open_error,-10}.  It's necessary to call erl_ddll:format_error to get
the actual error message, which will usually be rather precise and point
out the problem.
Delete function that became unused in 48da372
Delete function that became unused in 209276e
Merge pull request #184 from lixen/command_error

wrong number of arguments did not give correct error
Merge pull request #187 from legoscia/driver-load-errors

Always call erl_ddll:format_error on driver load failure
Merge pull request #186 from esl/fix-remove-privacy-list-odbc

fix del_privacy_lists odbc query
update wait_for_stream  according to the new specification
make it compatible with xmpp over websocket http://datatracker.ietf.org/doc/draft-ietf-xmpp-websocket/?include_text=1
ignore rel/mongooseim instead of rel/ejabberd
mark websocket messages and change name
add xmlns jabber:client to all messages sent to client via websocket
rename parser type
Revert ejabberd_c2s and mod_websockets to pre-update version
Add support for new XMPP over Websockets in mod_websockets
http://datatracker.ietf.org/doc/draft-ietf-xmpp-websocket
Use exml with infinite_stream and autoreset for websockets