Merge pull request #35 from Scifabric/migrate-2-python36

Migrate 2 python36

Merge pull request #33 from Scifabric/fix-fav_user_ids

Fix issue with fav_user_ids.

Merge pull request #30 from Scifabric/issue-29

Issue 29

Fix typo in docstrings

Merge pull request #25 from PyBossa/issue-published-reserved-field

Issue published reserved field

Fix link in readme

Merge pull request #22 from PyBossa/fix-task

Fix task

Merge pull request #20 from PyBossa/issue-forbidden-attr

Issue forbidden attr

Update app -> project in readme

Add status image