Bug 1032618 - [traceback] TypeError: count() takes exactly one argument (0 given)

This change addresses the cause of all of these errors
Bug 1032729 - Update UserProfileSerializer to include username and privacy_policy_accepted fields
Merge pull request #147 from bitgeeky/UpdateUserProfileSerializer

Added username and privacy_policy_accepted fields to UserProfileSerializ...
Bug 1032430 - Search results are incorrect when choosing all projects or all test types

To fix this a patch is needed for django-filter which has been applied in vendor-local.
Remove lte from execution time filter as it is not supported.
Remove django-filter from requirements/prod.txt as the version on PyPI
no longer matches the version in vendor-local
Added User.username to REST API User Serializer
Merge pull request #148 from bitgeeky/FixUserAPI

Added User.username to REST API User Serializer
Bug 1032691 - Server error when trying to add a new task

Remove Task admin from django admin