Add OSX keystroke to clear RPCConsole
Add OSX keystroke to clear RPCConsole

Currently only Ctrl-L is mentioned in help, but, CMD-L works on OSX and isn't mentioned.
duality-solutions/Sequence,duality-solutions/Sequence,SilkNetwork/Silk-Core,duality-solutions/Sequence,SilkNetwork/Silk-Core,SilkNetwork/Silk-Core,SilkNetwork/Silk-Core,SilkNetwork/Silk-Core,duality-solutions/Sequence,SilkNetwork/Silk-Core,duality-solutions/Sequence,duality-solutions/Sequence