Add make reload task
Re-enable `xml` NIF
Remove old, unused files in `apps/ejabberd`
Cleanup `contrib` dir
Cleanup `examples`
Cleanup `tools`
Cleanup `doc`
Ignore `ebin` directory in project root
Change `ejabberdctl` leftovers to `mongooseimctl`, closes #258
Merge pull request #254 from esl/make-reload

Add `make reload` task
Add `ifdef` to decide whether to use NIF `xml`
Merge pull request #271 from esl/ejabberdctl_leftovers

Change `ejabberdctl` leftovers to `mongooseimctl`, closes #258
Merge pull request #259 from esl/old_cleanup

Files cleanup, re-enabled XML NIF
Fix Unicode handling in mod_admin_extra_roster, fixes #266
Fix `last` schema for RDBMS