add send Hush to a friend

src/mainwindow.h

@@ -49,12 +49,15 @@ public:
 
     QString doSendTxValidations(Tx tx);
     QString doSendChatTxValidations(Tx tx);
+    QString doSendChatMoneyTxValidations(Tx tx);
     QString doSendRequestTxValidations(Tx tx);
     QString getCid();
+    QString getAmt();
     QString getPassword();
     std::map<QString, QString> pubkeyMap;
     QString getPubkeyByAddress(QString requestZaddr);
     void setPassword(QString Password);
+    void setAmt(QString Amt);
     void addPubkey(QString requestZaddr, QString pubkey);
     
     
@@ -111,6 +114,7 @@ private:
     void closeEvent(QCloseEvent* event);
     void closeEventpw(QCloseEvent* event);
     QString _password;
+    QString _amt;
 
 
     void setupSendTab();
@@ -135,7 +139,7 @@ private:
 
     Tx   createTxFromChatPage();
     Tx   createTxForSafeContactRequest();
-
+    Tx   createTxFromSendChatPage();
 
     void encryptWallet();
     void removeWalletEncryption();
@@ -144,6 +148,7 @@ private:
     void cancelButton();
     void sendButton();
     void sendChat();
+    void sendMoneyChat();
     void addContact();
     void ContactRequest();