Update bootstrap.py
Remove clear-and-rebuild folder action.

We have already removed the view but we seem to have forgotten to remove the
configured action.
Update bootstrap.py.
Merge pull request #651 from 4teamwork/deif-remove-clearandrebuild

Remove clear-and-rebuild folder action.
Task byline: Use adminUnit abbreviation instead of label for sequence_number display.

For example: `AFI 234` instaed of `Amt fuer Informatik 234`
Merge pull request #646 from 4teamwork/pg_task_byline_sequencenumber

Task byline: Use adminUnit abbreviation instead of label for sequence_number display.
Use booleans instead of integers for ogds-sync.
Make sure tree portlet configuration works correctly.
Replace Client/Policy directive with Deployment directive.
Add Deployment configuration registry to replace Client/Policy registry.
Simplify add form, remove multi-client configuration options.
Update branding, add onegovgever logo.
Load local roles from custom transmogrifier pipeline.
Configure transmogrifier to import repository.
Configure template import pipeline.
Split default content setup into multiple profiles, rewrite hooks.
Add development configuration options.
Drop no longer used transmogrifier pipelines/sections and init data.
Update examplecontent profile for new setup.
Add option to set deployment as default.