@pinpong fixed getNewAddress (#4)

* implemented toTrytes and toStrings

* added TrytesConverterTest

* WIP

* added checksum calculation, pls review

* updated checksum

* updated tests

* fixed getnewaddress

src/main/java/jota/model/Transaction.java

@@ -0,0 +1,99 @@
+package jota.model;
+
+import org.apache.commons.lang3.builder.ToStringBuilder;
+import org.apache.commons.lang3.builder.ToStringStyle;
+
+/**
+ * Created by pinpong on 02.12.16.
+ */
+public class Transaction {
+
+    private String signatureMessageChunk;
+    private String index;
+    private String approvalNonce;
+    private String hash;
+    private String digest;
+    private String type;
+    private String timestamp;
+    private String trunkTransaction;
+    private String branchTransaction;
+    private String signatureNonce;
+    private String address;
+    private String value;
+    private String bundle;
+
+    public Transaction(String signatureMessageChunk, String index, String approvalNonce, String hash, String digest, String type, String timestamp, String trunkTransaction, String branchTransaction, String signatureNonce, String address, String value, String bundle) {
+
+        this.hash = hash;
+        this.type = type;
+        this.signatureMessageChunk = signatureMessageChunk;
+        this.digest = digest;
+        this.address = address;
+        this.value = value;
+        this.timestamp = timestamp;
+        this.index = index;
+        this.bundle = bundle;
+        this.signatureNonce = signatureNonce;
+        this.approvalNonce = approvalNonce;
+        this.trunkTransaction = trunkTransaction;
+        this.branchTransaction = branchTransaction;
+    }
+
+    @Override
+    public String toString() {
+        return ToStringBuilder.reflectionToString(this, ToStringStyle.MULTI_LINE_STYLE);
+    }
+
+    public String getValue() {
+        return value;
+    }
+
+    public String getDigest() {
+        return digest;
+    }
+
+    public String getTrunkTransaction() {
+        return trunkTransaction;
+    }
+
+    public String getTimestamp() {
+        return timestamp;
+    }
+
+    public String getSignatureNonce() {
+        return signatureNonce;
+    }
+
+    public String getType() {
+        return type;
+    }
+
+    public String getAddress() {
+        return address;
+    }
+
+    public String getApprovalNonce() {
+        return approvalNonce;
+    }
+
+    public String getBranchTransaction() {
+        return branchTransaction;
+    }
+
+    public String getBundle() {
+        return bundle;
+    }
+
+    public String getHash() {
+        return hash;
+    }
+
+    public String getIndex() {
+        return index;
+    }
+
+    public String getSignatureMessageChunk() {
+        return signatureMessageChunk;
+    }
+
+}