Add escalus_bosh:resend_raw/2 for testing retransmissions
Change send/2 to return error if one occurs
Add XEP-0184 stanzas
Extend XEP-0184 capabilities
Fix 0184 groupchat and message types handling
Convert 0184 functions to #xmlel{}
Update .travis.yml
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
Change 0184 predicates to follow standard
Merge pull request #11 from esl/xep0184-rebase

XEP-0184 - related functions
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