Removed background from nodes in activity feed.
Only do alterations for group content type.
Wiki basic layout, panelizer settings and basic styling.
Merge branch 'master' of github.com:EuropeanSpallationSource/AccESS
Post/Wiki content block style.
Merge branch 'master' of github.com:EuropeanSpallationSource/AccESS
Fixed views load more issue.

Added required classes.
Use contextual links module to provide edit links.
Fixed the event rows dynamic height and added panelizer options to news features.
Merge branch 'refs/heads/master' into dev-ess-robertmagnusson