Use typeof to check whether object exists
Merge branch '3.4' into 3.5
AbstractImage - remove senseless division by devicePixelRatio
simplify urltel validator: don't copy the whole url validation regexp, call it
fix validation error text
improve url validation by using the ext5 regexp

problem with the old one was that it didn't include ^ and $.
adding that somehow triggered endless loops

Adding the ExtJS 5 regexp (back from the future) should fix all problems we have.
add quick 'n dirty clear cache for rte style editor cache

this has to be re-implemented for 3.8, but the code is so different in 3.7 so this hackish implementation should do
Social Bookmarks - network as class on a tag
added pinterest in socialBookmarks component
improve autologin security

this fixes a potential security issue when someone gets hold of the password column of the user table
Merge branch '3.4' into 3.5

Conflicts:
	Kwc/Abstract/Image/Component.js
Merge branch '3.5' into 3.6
Merge branch '3.6' into 3.7