release 0.4.0
add missing wsgi file, release 0.4.1
Add missing install instruction for south migrations
Merge pull request #34 from amirhhz/patch-1

Add missing install instruction for south migrations
Update views.py

Return empty response to fix django-rest-framework 
TypeError at /api/v1/songs/skip
'NoneType' object does not support item assignment
Merge pull request #35 from hoffmann/patch-1

Update views.py
Adding support for Brazilian Portuguese in the jukebox_web application.
Adding the new language support at README.rst file.
Merge pull request #39 from luanfonceca/support_for_pt_br

Support for Brazilian Portuguese
Add contributors to README