UDPATE: better abortability of clustered graphs
UDPATE: better abortability of clustered graphs

git-svn-id: 1b86a985b0847acdee38f4dd95cd5693fef2c0cb@14632 a09ad3ba-1a0f-0410-b1b9-c67202f10d70

CloverETL/CloverETL-Engine,CloverETL/CloverETL-Engine,CloverETL/CloverETL-Engine,CloverETL/CloverETL-Engine