Wallet: Add isAddressMine() convenience method.
Wallet: Add isAddressMine() convenience method.

GroestlCoin/groestlcoinj,schildbach/bitcoinj,schildbach/bitcoinj,GroestlCoin/groestlcoinj,natzei/bitcoinj,bitcoinj/bitcoinj,GroestlCoin/groestlcoinj,kmels/bitcoinj,bitcoinj/bitcoinj,yenliangl/bitcoinj,kmels/bitcoinj,natzei/bitcoinj,peterdettman/bitcoinj,yenliangl/bitcoinj,peterdettman/bitcoinj