updated Azure Translator support
added requirements.txt with microsofttranslator dependancy.
building a separate bulk translator
Merge branch 'develop' of https://github.com/davidkuchar/django-rosetta into develop

Conflicts solved:
	rosetta/templates/rosetta/base.html
	rosetta/templates/rosetta/js/rosetta.js
	rosetta/urls.py
	rosetta/views.py