CVWidgetEditor: implement IP-based commandname-selection
ipField and portField stripped out - IP and port determined
by scanning incoming OSC.

Signed-off-by: nuss <st9fan@gmail.com>
correct content removal of tempIPsAndCmds when an editor gets closed
tempIPsAndCmds doesn't need to be a setter

Signed-off-by: nuss <st9fan@gmail.com>
implementing IP-scan mechanism in CVWidgetMSEditor

Signed-off-by: nuss <st9fan@gmail.com>