Add clearorphans command to rpc/cli commands
Add clearorphans command to rpc/cli commands

This calls the existing ClearOrphans function in wallet.cpp
Currently this function is only called by the qt wallet
This will allow web programs and similar to easily clear orphans

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