Merge pull request #174 from allisson/master

Including all necessary files on a single line of recursive-include.
Added get_related template tag
Fix get_related template tag doc
Moved get_recommendations template tag to container template tags
Fixed pep8 alerts
Merge pull request #175 from hersonls/master

Added get_related template tag
Added more static files to manifest
Replaced Redactor with OppsEditor
Removed acidentally inserted files
deleted highlander unwanted file.
Removed redactor from requirements
Removed memcached from requirements
Add basic documentation Opps Editor
Merge branch 'master' of github.com:opps/opps
Remove django-xadmin from requirements
Remove django redactor entry.