update redactor to 9.1.3
integrate feedback for redactor integration and editing styles
Merge branch 'feature/improve-editing' into develop

* feature/improve-editing:
  integrate feedback for redactor integration and editing styles
  update redactor to 9.1.3
update infopark sdk version to 6.9.4
update changelog
bump version to 3.1.0
Merge branch 'release/20130911-release' into develop

* release/20130911-release:
  bump version to 3.1.0
bugfix: image obj class creation failed on newly created projects
no message
bump version to 3.1.1
Merge branch 'release/20130912-release' into develop

* release/20130912-release:
  bump version to 3.1.1
implement autocreation of the edit-view for a model
create edit view api generator
string editor: redactor does not perform string editing
+ adds alternative string editor using a text input field
create obj class api generator
create locale api generator generator

+ make icon accessible on model generator
create thumbnail api generator
remove title prefixes
update changelog
move api generator into common directory and adopt namespaces