Improves channel descendants queryset
Updates changelog
Merge pull request #396 from jeanmask/stable/0.2.x

Improve get_channels_by templatetag.
Merge pull request #398 from jeanmask/stable/0.2.x

Revert changes on get_channels_by
Creating TinyMCE plugin for embed content.
This plugin was created because the default plugin allows only content of Vimeo, Youtube and Google-Maps.
NOTE: For now to use the plugin, it should be enabled in the project settings in OPPS_EDITOR configuration. It was not added to the default plugins because we need to discuss how to implement a security check to prevent malicious XSS.
Removing duplicated code from Opps Plugins of TinyMCE
Changing version to 0.2.7.5
Correcting version release
Merge pull request #400 from ervilis/stable/0.2.x_editor_oppsembed

Creating TinyMCE plugin for embed content
Release version 0.2.7.4
Add ContainerRelated like PostRelated feature
Fix django custom user migration
Cleans up code
Fix related_name in ContainerRelated
Add datamigration for RelatedPost to RelatedContainer
Replace related_posts feature for related_containers
Update CHANGELOG
Remove old related_posts ManyToManyField
Improves channels long_slug
Improves channel admin