Merge pull request
#3765 from minrk/console-is-bad...
Merge pull request
#3765 from minrk/console-is-bad
cleanup terminal console iopub handling
ensures IOPub for a given cell is handled before drawing the next prompt.
Follows logic elsewhere using status=idle to indicated end of output for a given cell. Prior to this, early execute reply could result in some output being printed after the prompt for the next input.
