message: Qt: Make Multisend's past button a QToolButton
  Similar to other UIs, this makes the address paste button in the
  Multisend UI a QToolButton using the universal style.
diff: @@ -148,7 +148,7 @@ MultiSend will not be activated unless you have clicked Activate</string>
  </widget>
  </item>
  <item>
  - <widget class="QPushButton" name="addressBookButton">
  + <widget class="QToolButton" name="addressBookButton">
  <property name="maximumSize">
  <size>
  <width>16777215</width>
  @@ -168,9 +168,6 @@ MultiSend will not be activated unless you have clicked Activate</string>
  <property name="shortcut">
  <string>Alt+A</string>
  </property>
  - <property name="autoDefault">
  - <bool>false</bool>
  - </property>
  </widget>
  </item>
  </layout>
  