Update django-threaded-comments to the latest version
Update django-threaded-comments to the latest version

According to the release notes the only changes are bug fixes and support
for Django 1.9

RickMohr/otm-core,RickMohr/otm-core,maurizi/otm-core,maurizi/otm-core,RickMohr/otm-core,maurizi/otm-core,RickMohr/otm-core,maurizi/otm-core