rebar 2.2.0
Add is_groupchat_message predicate
Merge pull request #13 from esl/newer_rebar

rebar 2.2.0
Merge pull request #14 from dcorbacho/groupchat

Add is_groupchat_message predicate
Make escalus_bosh handle numeric addresses
Insert Travis build status
Specify types in escalus_config
Extend Makefile with dialyzer and typer rules
Typespec escalus_session
Be explicit about the deps to base dialyzer PLT on
Refactor auth_sasl_scram_sha1/2
Simplify escalus_stanza:auth / :auth_response and fix dialyzer warnings
Fix typo: undefiend -> undefined
Fix more escalus_stanza.erl type discrepancies
Typespec escalus_connection
Fix more bugs with non-lists as #xmlel.children
Annotate escalus_app.erl
Annotate escalus_assert.erl
Annotate escalus_pred.erl

Touches escalus_utils.erl and exml.
Fix escalus_app:start/2 typespec