New parameter to decide on whether to show list of addresses in header

Default 'false', so regular users won't notice. Set 'true' is useful if
you sometimes need to copy your address.

settings/general.txt

@@ -4,4 +4,5 @@ NUM_ADDR_DISPLAY = 2;
 TX_FEE = 		0.00010000;	//total btc transaction fee; lower than 0.00004000 not recommended
 TO_RECEIVER = 	0.00005470; //total btc to receiving address
 MSIG_OUTPUT = 	0.00007800; //total btc to multisig output (returned to sender)
+ADDR_IN_HEADER = 'false'; //set 'true' to display addresses in upper right corner
 API_TIMEOUT_MS = 2700; //wait ms before trying backup api. currently only for pushing tx's