allow sorting of gallery items, widgetd added
using directives from autoform
history updated
Merge branch 'master' of github.com:collective/collective.cover into issue_198

Conflicts:
	docs/HISTORY.rst
Merge branch 'master' into issue_198
Merge branch 'master' into issue_198

Conflicts:
	docs/HISTORY.rst
reword change log
add basic integration tests for carousel tile
skip failing test (refs. #202)
Merge pull request #200 from collective/issue_198

closes #198