Update bitcoinrpc.h
Update bitcoinrpc.h

Factoring listaddressgroupings
coinkeeper/20150416_paycoin_fixes,jwrb/paycoin,IngCr3at1on/paycoin,lendcoinfundation/lendcoin,sengmangan/XPAY,jwrb/paycoin,PaycoinFoundation/paycoin,thommyV91/Suck-a-Coin,PaycoinFoundation/paycoin,coinkeeper/2015-06-22_18-53_paycoin,lendcoinfundation/lendcoin,sengmangan/XPAY,ligerzero459/paycoin,JoseBarrales/mlnc,coinkeeper/2015-06-22_18-53_paycoin,jwrb/paycoin,PaycoinFoundation/paycoin,sengmangan/XPAY,jwrb/paycoin,Iamhumanareyou/EmprendeCoin,Iamhumanareyou/EmprendeCoin,TheNameIsNigel/paycoin,coinkeeper/2015-06-22_18-53_paycoin,LambocoinFoundation/Lambocoin,thommyV91/Suck-a-Coin,coinkeeper/20150416_paycoin_fixes,IngCr3at1on/paycoin,mitchellcash/paycoin,ligerzero459/paycoin,mitchellcash/paycoin,sengmangan/XPAY,lendcoinfundation/lendcoin,TheNameIsNigel/paycoin,TheNameIsNigel/paycoin,mitchellcash/paycoin,coinkeeper/20150416_paycoin_fixes,JoseBarrales/mlnc,lendcoinfundation/lendcoin,PaycoinFoundation/paycoin,coinkeeper/20150416_paycoin_fixes,IngCr3at1on/paycoin,LambocoinFoundation/Lambocoin,coinkeeper/2015-06-22_18-53_paycoin,LambocoinFoundation/Lambocoin,TheNameIsNigel/paycoin,LambocoinFoundation/Lambocoin,mitchellcash/paycoin,Iamhumanareyou/EmprendeCoin,IngCr3at1on/paycoin,thommyV91/Suck-a-Coin,thommyV91/Suck-a-Coin,JoseBarrales/mlnc,ligerzero459/paycoin,Iamhumanareyou/EmprendeCoin,ligerzero459/paycoin,JoseBarrales/mlnc