v2.6.0

Features

• #43 - Add thread (content-type and parent comment) subscription.
• #43 - Send email notification to thread's subscribers on creating new comment.
• #83 - Add ordering option for comments.
• #117 - Add support for customization of user fields in the api.
• #128 - Allow custom user model fields.
• #142 - Extend ui customization.
• #158 - Allow rendering new line in comment.

Bug fixes

• #135 - Fix modal X button issue.
• #139 - Fix url resolving issue.
• #157 - Fix pluralization issue.

Codebase enhancement

• #112 - Reduce testing time in pipeline.
• #122 - Code clean up.
• #129 - Update development guideline.
• #132 and #137_ - Tests enhancement and refactoring.
• #144 - Move common logic from views to mixin.
• #150 - Unify django views responses.
• #165 - Solve CI issue with django master.