Remove needless override of folder_summary_view

it was causing AttributeError: 'View' object has no attribute 'images'
Update package documentation
pep8
Update development and CI configurations to use plone.recipe.codeanalysis
Fix CSS validation errors
Removes duplicated display of tags - fixes #68

The <div id="viewlet-below-content" ... /> line that was
in the content's view.pt is present on the maintemplate
of CMFPlone, outside of the main slot.
Some JS to set new dimensions to galleria
Merge pull request #72 from collective/wider_galleria

Some JS to set new dimensions to galleria
Do not override socket timeout to avoid… timeouts!
Merge branch 'master' into pin_behavior

Conflicts:
	setup.py