Org documents dont need to be nested writeable
wallposts lines out with the rest of content
Merge pull request #178 from FransTwisk/integration

Front-end improvements Jakob & Frans
Merge branch 'integration' of https://github.com/onepercentclub/bluebottle into integration
Merge pull request #179 from gannetson/integration

Org documents dont need to be nested writeable
project list:
Merge pull request #180 from jakoblaegdsmand/integration

Integration
Ember reference to image in template
added block verbatims for generic updating
added bock verbatim for tpl editing
`Organization` model made generic (+ migrations).
Added `get_organization_model` handler.
Fixed `organizations.admin` module to match the new generic layout.
Fixed `organizations` serializers.
Fixed `organizations` views.
Test settings fixed.
`organizations` migrations resetted.
`projects` app reviewed for `organizations` generic model.
`tasks` app reviewed for `organizations` generic model.
Fixed migrations