dump crash log when going down with StoreCounterTooLow
Merge pull request #346 from Incubaid/more-dump-crash-log

dump crash log when going down with StoreCounterTooLow
Merge branch 'origin-1.6' into 1.6-for-1.7

Conflicts:
	src/node/node_main.ml
Merge pull request #347 from Incubaid/1.6-for-1.7

1.6 for 1.7