pointerType return value has changed in IE11
add new IE11 pointer events

Beginning with IE11 the vendor prefixed pointer events are deprecated.
http://msdn.microsoft.com/en-us/library/ie/dn304886%28v=vs.85%29.aspx
Add CSS Classes to Indicate which Widgets are Present
fixes slideshow initial hide calculation
Merge pull request #198 from tf/widget-css-classes

Add CSS Classes to Indicate which Widgets are Present
Merge pull request #189 from schoetty/ie11_scroll_fix

Fix Page change on mobile IE11
Merge pull request #199 from tf/slideshow-absolute

Slideshow Position Absolute
open page by param with its own sharing meta infos
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
add helper to force protocol of urls to http
prevent rendering 404 if no share image was set
add sub-share widget
don't use mouseleave handler on mobile devices
bind touch events on menu items only once
styling for sub share
re-enable share on mobile devices and clean up a bit
cleanup
sub sharing fixes, styling fix for progress bar