Plone.app.imaging

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

- Use the standard libraries doctest module.
[hannosch]

- Update license to GPL version 2 only.
[hannosch]

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

- Fix issue with creating scales based on Image objects that are storing their
data as chained Pdata objects.
[davisagli]

- Avoid using the deprecated five:implements directive.
[hannosch]

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

- Use plone i18n domain instead of plone.app.imaging domain for the
MessageFactory. This closes http://dev.plone.org/plone/ticket/10478
[vincentfretin]

- Fix dependency on `plone.scale` to get requirements for the scale storage.
[witsch]

- Fix logic bug in url traversal code for image scales.
This fixes http://plone.org/products/plone.app.imaging/issues/1
[ramonski, witsch]

- Add support for custom scales for "News Item" content.
This refs http://dev.plone.org/plone/ticket/10250
[pelle, witsch]

- Removed dependency declaration for the unused uuid distribution.
[hannosch]

- Fix control panel definition so that its icon shows up again.
[witsch]

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

- Add new syntax options for generating image scales based on ideas
borrowed from `plone.scale`, also improving caching and invalidation.
[witsch]

- Provide sizes for `plone.namedfile` if it's installed.
[davisagli]

- Restore possibility to define per-field image scale sizes.
This refs http://dev.plone.org/plone/ticket/10159
[huub_bouma, witsch]

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

- Convert test setup to use `collective.testcaselayer`.
[witsch]

- Add monkey-patch for `createScales` in order to fix recreation of scales.
This refs http://dev.plone.org/plone/ticket/10186
[witsch]

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

- Swallow resizing exceptions if that flag is set on the image field.
[matthewwilkes]

- Add test to make sure traversal to scales in path expressions still works.
[davisagli, witsch]