CAY-1974 | Copy/Paste DbEntity throws exception
Merge branch '40'
CAY-1974 Copy/Paste DbEntiry throws exception

release notes... scheduling for M3
fix DataContextDisjointByIdPrefetch_ExtrasIT
Merge branch '42'

this fixes one of common unit test race conditions
CAY-1976 Slow performance of DbMerger
CAY-1978 ESCAPE clause should be included in LIKE parenthesis
CAY-1976 Slow performance of DbMerger

Merge branch '46'