Abstract the search form and livesearch action URLs

making it easier to extend the search portlet with custom views or other
actions.

Conflicts:
	CHANGES.rst
Use search portlet assignment title for the header for easier extending.
Move plone.app.portlets to plone.app.testing
Merge pull request #39 from plone/move-to-p.a.testing

Move plone.app.portlets to plone.app.testing
Whitespaces cleanup
Rename .txt to .rst
Is this *span* needed?
Portlets updates: checked roles, html5 and adjustments
error message when portlet fails
Update tag for id=content element to article instead of a simple div.
Merge pull request #40 from plone/barceloneta

Barceloneta
don't use BBB import
Add missing changelog entry for changes made in Barceloneta branch.
Merge branch 'master' of git://github.com/plone/plone.app.portlets
Merge pull request #38 from me-kell/master

Add field to show nodes excluded from Navigation
Revert "Add field to show nodes excluded from Navigation"
Merge pull request #41 from plone/revert-38-master

Revert "Add field to show nodes excluded from Navigation"
Preparing release 3.0.2
Back to development: 3.0.3
label_title msgid already exist with the 'Title' default