Block/Transaction processing

* Add implementation for Account.getBalance(assetId, numberOfConfirmations)

* Added orphan() code to Block (CIYAM AT not yet supported)

* Added getOrder() 'navigation' method to CreateOrderTransaction

* Added missing transaction-type cases to various switches in Transaction, transformers, repositories, etc.

* Various repository delete() methods added

* Added save/delete support for transaction types that include payments, like multipayment and arbitrary

* Changed "recipient" in HSQLDB SharedTransactionPayments from QoraPublicKey to QoraAddress

src/test/NavigationTests.java

@@ -32,7 +32,7 @@ public class NavigationTests extends Common {
 			assertNotNull("Transaction data not loaded from repository", transactionData);
 			assertEquals("Transaction data not PAYMENT type", TransactionType.PAYMENT, transactionData.getType());
 
-			BlockData blockData = transactionRepository.toBlock(transactionData);
+			BlockData blockData = transactionRepository.getBlockDataFromSignature(signature);
 			assertNotNull("Block 49778 not loaded from database", blockData);
 
 			System.out.println("Block " + blockData.getHeight() + ", signature: " + Base58.encode(blockData.getSignature()));

src/test/TransactionTests.java

@@ -29,7 +29,6 @@ import repository.Repository;
 import repository.RepositoryFactory;
 import repository.RepositoryManager;
 import repository.hsqldb.HSQLDBRepositoryFactory;
-import utils.NTP;
 
 // Don't extend Common as we want to use an in-memory database
 public class TransactionTests {