Merge branch 'task/g112_sign_with_cosignatories' of github.com:rg911/nem2-sdk-typescript-javascript into task/g112_sign_with_cosignatories

Author: rg911

test/model/transaction/CosignatureTransaction.spec.ts

@@ -129,4 +129,4 @@ describe('CosignatureTransaction', () => {
         expect(signedTx.signer).to.be.equal('C2F93346E27CE6AD1A9F8F5E3066F8326593A406BDF357ACB041E2F9AB402EFE');
         expect(signedTx.signer).to.be.equal(account.publicKey);
     });
-});
+});