echo with newline (rroemhild#103)

added license (fixes rroemhild#98)

Update ejabberd 16.03 -> 16.04

Read configurations from host machine (rroemhild#92)

* Ignore config generation if they exist in conf folder
* README update for mouting configuration files.
* README updates

Update ejabberd 16.02 -> 16.03

Merge pull request rroemhild#90 from monstermunchkin/mod_version

Add option to hide ejabberd version number

Update ejabberd 16.01 -> 16.02

Merge pull request rroemhild#87 from who/master

Adding support for installing ejabberd_contrib modules and custom auth modules

Merge pull request rroemhild#80 from monstermunchkin/devel

clean up Dockerfile

Add ImageMagick for mod_http_upload thumbnail