Merge branch 'release/20140527-release'

* release/20140527-release:
  vendor directory is not used
  rename initializer filie
Merge branch 'release/20140528-release'

* release/20140528-release:
  bump version to 0.0.2
  bugfix: rename error in css
Merge branch 'release/20140604-release'

* release/20140604-release:
  bump version to 0.0.3
  change inspect icon
  add selectionMode option
  update changelog
  use clone method on search query and remove action data
  add selected filter
  display "missing title" when a filter has no title configured
  update changelog and add link to scrivito_editors
  add installation and usage section in readme
Merge branch 'release/20140804-release'

* release/20140804-release:
  bump version to 0.0.4
  minor improvements
  update to ruby version 2.1.2
  do not isolate the resourcebrowser, because the SDK does not yet support it
  allow to extend filters multiple times
  use own center implementation instead of relying on jquery
Keep the upload progress dialog on failures
Provide error info in upload progress area

solves the "incomprehensible error message" part of #9
Make use of description_for_editor
Slightly improve appearance in small windows

* Prevent filter icons to become orphaned lines
* Prevent Search button to wrap to invisbile line
Improve image zoom

* Keeps aspect ratio
* Maximized on wider axis
Update READMEs
Bump version