Ftw.publisher.core

----------------

- Cleanup, move to github (https://github.com/4teamwork/ftw.publisher.core) and
prepare for release.
[jone]

----------------

- Removed archetypes.schemaextender, since we can use obj.Schema() for getting
all the fields
[jone]

- Added new warning states
[jone]

------------------

- Added translations for the states
[jone]

------------------

- Removed encoding stuff for portlets, that now should be done be the
better encoding / decoding.
[jone]

- Added string encoding / decoding methods which work with json
[jone]

------------------

- Fixed namespace_packages in setup.py
[jone]

- Added Backreference adapter
[jone]

- Make portlet adapter more save
[jone]

- added new states for renaming purposes
[mathias.leimgruber]

- fixed binary conversion to base64 string
[mathias.leimgruber, victor.baumann]

- added test cases for portlet adapter and properties adapter
[mathias.leimgruber]

- added an afterpushEvent
[mathias.leimgruber]

- Extend publish process with adapters
[mathias.leimgruber]

- sync context portlet
[mathias.leimgruber]

- sync interfaces
[mathias.leimgruber]

- sync topic criterias
[mathias.leimgruber]

- concept/structure
[jone]

- Working initial release
[jone]