Recurring (#131)

* Save created recurring info

* Add to confirm dialog

* Update RPI at confirm

* Make singleton

* Add history to recurring payments

* USD/ZEC switch

* Fix check state

* recurring item serialization

* Add recurring payments to file

* Refactor

* Address view model

* Wire up dialog

* Update windows installer logos

* Store all payments in the store

* Save table geometry

* Add recurring payments view

* Add deletion

* Add recurring payment execution

* Add donation address to address book

* Add multiple payment handling

* Disable recurring for multiple payments

* Handle pay last

* Handle pay all

* Reomve frequency

* Enable recurring payments only for testnet

* For testing, allow payments in 5 min intervals

* Fix request money amounts

src/mainwindow.ui

@@ -1086,6 +1086,7 @@
     </property>
     <addaction name="action_Address_Book"/>
     <addaction name="actionSettings"/>
+    <addaction name="action_Recurring_Payments"/>
    </widget>
    <addaction name="menuFile"/>
    <addaction name="menu_Edit"/>
@@ -1178,6 +1179,11 @@
     <string>Ctrl+M</string>
    </property>
   </action>
+  <action name="action_Recurring_Payments">
+   <property name="text">
+    <string>&amp;Recurring Payments</string>
+   </property>
+  </action>
   <action name="actionRequest_zcash">
    <property name="text">
     <string>Request zcash...</string>