Merge pull request #91 from arcusfelis/arc-fix-disco-info

Fixed a bug in service discovery.
Merge pull request #92 from arcusfelis/arc-fix-lager-log-path

Fixed the error bad_module when using a custom log path.
Merge pull request #93 from arcusfelis/arc-custom-listen-ip

Add an optional IP parameter for mod_bosh, mod_metrics, mod_websockets.
rename tls to ejabberd_tls to avoid conflicts with ssl tls module
silly me
rename file and module
Merge pull request #97 from twonds/reltool-error

Module tls potentially included by two different applications: ejabberd and ssl.
Fix README.md: make is equivalent to get-deps *and* compile
add missing ans1 application required for building under R16
update cowboy to 0.8.6
Merged with upstream.
Updated the shaper server: added TTL.