[BISERVER-11333] - PentahoEntryCollector makes direct calls to an Impl class working around the intended Interface, limiting the extensibility of the product

added two more methods to the interface since jcr role binding dao needs the system session
Merge pull request #2133 from aliakseihaidukou/master

[BISERVER-11333] - PentahoEntryCollector makes direct calls to an Impl c...