Push cms beta version to 3.0b4.dev5
Push cms beta version to 3.0b4.dev5

See https://github.com/divio/django-cms/commit/042f4953f6d2db66fd15e4cb748ab4b279f57947

divio/djangocms-installer,frost-nzcr4/djangocms-installer,FinalAngel/djangocms-installer,nephila/djangocms-installer,divio/djangocms-installer,nephila/djangocms-installer,frost-nzcr4/djangocms-installer,FinalAngel/djangocms-installer,divio/djangocms-installer,FinalAngel/djangocms-installer