Add requirement for libmysqlclient-dev.
Add requirement for libmysqlclient-dev.

Once we're not installing python-mysql from Ubuntu package managers and instead
virtualenv, libmysqlclient-dev is required to install the lib.

MadeInHaus/django-template,MadeInHaus/django-template,MadeInHaus/django-template,MadeInHaus/django-template