comment autocropping settings field
improve button usability. refs #10
fix editor tests
clean uninstall. refs #14
Merge remote-tracking branch 'upstream/master'

Conflicts:
	src/plone/app/imagecropping/browser/editor.pt
	src/plone/app/imagecropping/locales/de/LC_MESSAGES/plone.app.imagecropping.po
	src/plone/app/imagecropping/locales/en/LC_MESSAGES/plone.app.imagecropping.po
	src/plone/app/imagecropping/locales/es/LC_MESSAGES/plone.app.imagecropping.po
	src/plone/app/imagecropping/locales/nl/LC_MESSAGES/plone.app.imagecropping.po
	src/plone/app/imagecropping/locales/plone.app.imagecropping.pot
	src/plone/app/imagecropping/locales/pt_BR/LC_MESSAGES/plone.app.imagecropping.po
Pin plone.app.testing to work on Plone 4.1
Make tests work in Plone 4.1

-  Rename acceptance to robot to align plone.app.robotframework guidelines
Merge pull request #22 from saily/master

Make tests pass on Plone 4.1