Add functionality to make content url's private

The content url if set to private can only be viewed by the author or
the reviewer.

Fixes #713

Signed-off-by: Nabarun Pal <[email protected]>

First tagged release with the YYYY.MM.BuildNumber format

Bump version: 0.3.1 → 0.3.2

Add Sumit Chahal (@smtchahal) to list of contributors

Release 0.3.0

closes #196

release(): add release notes for 0.2.0

prepare release notes for 0.1.0

Merge pull request #36 from vigneshsarma/proposal-type-conferences-co…

…nnection

Use ManyToManyField for connections.