add refresh in overflow to NewConversationActivity

fixes #4470
closes #4564
// FREEBIE

res/layout/contact_filter_toolbar.xml

@@ -36,6 +36,8 @@
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:layout_gravity="center"
+                android:paddingLeft="10dp"
+                android:paddingRight="10dp"
                 android:gravity="center">
 
                 <ImageView android:id="@+id/search_dialpad"

res/menu/new_conversation_activity.xml

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android"
+      xmlns:app="http://schemas.android.com/apk/res-auto">
+    <item android:title="@string/new_conversation_activity__refresh"
+          android:id="@+id/menu_refresh"
+          app:showAsAction="never" />
+</menu>

res/values/strings.xml

@@ -1104,6 +1104,8 @@
     <!-- media_preview_activity -->
     <string name="media_preview_activity__image_content_description">Image Preview</string>
 
+    <!-- new_conversation_activity -->
+    <string name="new_conversation_activity__refresh">Refresh</string>
     <!-- redphone_audio_popup_menu -->
     <string name="redphone_audio_popup_menu__handset">Handset</string>
     <string name="redphone_audio_popup_menu__headset">Headset</string>

res/values/styles.xml

@@ -45,6 +45,7 @@
         <item name="elevation">2dp</item>
         <item name="logo">@drawable/actionbar_icon_holo_dark</item>
         <item name="icon">@drawable/actionbar_icon_holo_dark</item>
+        <item name="popupTheme">@style/ThemeOverlay.AppCompat.Light</item>
         <item name="titleTextStyle">@style/TextSecure.TitleTextStyle</item>
         <item name="subtitleTextStyle">@style/TextSecure.SubtitleTextStyle</item>
         <item name="android:textColorPrimary">@color/white</item>