mark unvisited pages; store visited in cookie
make pageflow.visited independent from pageflow.pageNavigationList
open page by param with its own sharing meta infos
make pageflow.visited configurable in editor
add up to 3 image urls in meta tags for sharing
add 'social' tab and share image to editor
move some code to social share helper/namespace
animate scroll indicator initially
add helper to force protocol of urls to http
add widget prefix
Merge branch 'widget-css-classes' into edge-wdr-3
fixes backscrolling page reset by refreshing the scroller to get correct maxScrollY initially
iOS8 phone landscape fullscreen fix

fullscreen landscape view now working properly on ios 8 phone size
devices. disabling history states due to strange "back-swipe"
behaviour and address bar issues
Merge branches 'ios8-hashchange' and 'scroller-bottom-fix' into edge-wdr-3
Merge remote-tracking branch 'ss/optimize_sharing' into edge-wdr-3
Merge remote-tracking branch 'ss/visited_pages' into edge-wdr-3

Conflicts:
	app/controllers/pageflow/entries_controller.rb
	app/models/pageflow/draft_entry.rb
	app/models/pageflow/published_entry.rb
	app/views/pageflow/editor/entries/_entry.json.jbuilder
	config/locales/activerecord.de.yml
Merge remote-tracking branch 'ss/scroll_indicator' into edge-wdr-3