Add possiblity to refresh the push directory directly from the contact picking list. Fixes #835. Fixes #859.

Thanks benalbrecht for the icons.

res/menu/push_directory.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+<menu xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:title="@string/push_directory__menu_refresh"
+          android:id="@+id/menu_refresh_directory"
+          android:icon="?menu_refresh_directory"
+          android:showAsAction="ifRoom"
+        />
+</menu>

res/values/attrs.xml

@@ -60,6 +60,7 @@
     <attr name="menu_group_icon" format="reference" />
     <attr name="menu_split_icon" format="reference" />
     <attr name="menu_accept_icon" format="reference" />
+    <attr name="menu_refresh_directory" format="reference" />
 
     <declare-styleable name="ForegroundImageView">
         <attr name="android:foreground" />

res/values/strings.xml

@@ -416,6 +416,9 @@
 
     <!-- single_contact_selection_activity -->
     <string name="single_contact_selection_group_activity__filter">Type a name to filter&#8230;</string>
+    <string name="SingleContactSelectionActivity_you_are_not_registered_with_the_push_service">You are not registered with the push service...</string>
+    <string name="SingleContactSelectionActivity_updating_directory">Updating directory</string>
+    <string name="SingleContactSelectionActivity_updating_push_directory">Updating push directory...</string>
 
     <!-- ContactSelectionListFragment-->
     <string name="ContactSelectionlistFragment_select_for">Select for</string>
@@ -740,6 +743,9 @@
     <!-- contact_selection -->
     <string name="contact_selection__menu_finished">Finished</string>
 
+    <!-- refreshing push directory from menu -->
+    <string name="push_directory__menu_refresh">Refresh Contact List</string>
+
     <!-- conversation_button_context -->
     <string name="conversation_button_context__menu_send_unencrypted">Send unencrypted</string>
 

res/values/themes.xml

@@ -54,6 +54,7 @@
         <item name="menu_selectall_icon">@drawable/ic_menu_selectall_holo_light</item>
         <item name="menu_split_icon">@drawable/ic_menu_split_holo_light</item>
         <item name="menu_accept_icon">@drawable/ic_menu_accept_holo_light</item>
+        <item name="menu_refresh_directory">@drawable/ic_menu_refresh_holo_light</item>
 
     </style>
 
@@ -122,6 +123,7 @@
         <item name="menu_selectall_icon">@drawable/ic_menu_selectall_holo_dark</item>
         <item name="menu_split_icon">@drawable/ic_menu_split_holo_dark</item>
         <item name="menu_accept_icon">@drawable/ic_menu_accept_holo_dark</item>
+        <item name="menu_refresh_directory">@drawable/ic_menu_refresh_holo_dark</item>
     </style>
 
     <style name="TextSecure.DarkTheme.NavigationDrawer"