------------------
* Fixed error message when trying to upload a file which already exists in folder.
[thomasdesvenain]
* Added support for tests using plone.app.testing; control panel is now
removed when package is uninstalled.
[hvelarde]
* Catch errors if sessions are disabled.
[swampmonkey]
* Use ``plone.app.portlets.ManagePortlets`` permission, allows site-admins
to add/edit the portlet.
[ggozad]
* A folder type can implement IQuickUploadNotCapable
so that upload is not allowed on it.
[thomasdesvenain]
* We can include minimal.zcml file only to manually set IUploadCapable types.
[thomasdesvenain]
* Add more messages into po files + french translations.
[thomasdesvenain]
* Use IQuickUploadCapable interface to test if portlet has to be displayed.
Avoid some 404 errors.
[thomasdesvenain]
* User defined title is internationalized in plone domain.
[thomasdesvenain]
* Remove !important in css, that shouldn't be used in base css.
[thomasdesvenain]
* Portlet has a bottom left and bottom right.
[thomasdesvenain]
* Javascripts and css are loaded for authenticated users only.
Refs http://plone.org/products/collective.quickupload/issues/11.
[frisi, thomasdesvenain]
* Fixed portlet field validation.
[thomasdesvenain]
* Fixed internationalizations.
Fixed .pot and .po files.
[thomasdesvenain]
* Added try/finally around upload_lock protected code to ensure that the lock
is released if an exception occurs.
[swampmonkey]
* Added Spanish translation
[hvelarde]