Fix createChildRow and saving created child rows if multiple dependentModel entries pointing to same model exist

this was correctly implemented in getChildRows but not in createChildRow and saving

Conflicts:
	Kwf/Model/Row/Abstract.php
fix resolving translated urls

with the latest change that translates the filename this is now neccessary
fix tests, don't use primary key directly as that would access the _row cache
fix test
fix for tab hide/unhide if multiple details are used

this.contentEditComponents.length can be > 1 if more childComponents are used, not only if multiple details are used
Merge remote-tracking branch 'github/3.7' into 3.7