`tasks` app models adapted to use the new `projects` generic model.
`tasks` URLs reviewed to use regex again.
Merge branch 'integration' of https://github.com/onepercentclub/bluebottle into integration
Fixes automatic slug generation in abstract `projects` model.
Merge pull request #127 from jakoblaegdsmand/integration

Changes to the maps code
Merge branch 'integration' of https://github.com/onepercentclub/bluebottle into integration
Merge branch 'integration' into projects-generic
Fixed `projects` serializers to make use of the new generic model.
Fixed `projects.dashboard` to make use of the new generic model.
Merge pull request #128 from jose-lpa/integration

More `projects` generic model related fixes.
Fix some issues with projects
Add project media to project create
Fix project wallpost
Show tasks in project
Set task files/memebers readonly on task serializer
Fix task members (remove old project model)
Remove obsolete taskwallposts
Merge pull request #129 from gannetson/integration

Integration
No scroll zoom in map
Fix urls for tasks