add option to copy link of own toot to "more" menu

closes #928

app/src/main/res/menu/status_more.xml

@@ -12,12 +12,16 @@
                 android:title="@string/status_share_content" />
         </menu>
     </item>
-    <item android:title="@string/action_copy_link"
-        android:id="@+id/status_copy_link" />
-    <item android:title="@string/action_mute"
-        android:id="@+id/status_mute" />
-    <item android:title="@string/action_block"
-        android:id="@+id/status_block" />
-    <item android:title="@string/action_report"
-        android:id="@+id/status_report" />
+    <item
+        android:id="@+id/status_copy_link"
+        android:title="@string/action_copy_link" />
+    <item
+        android:id="@+id/status_mute"
+        android:title="@string/action_mute" />
+    <item
+        android:id="@+id/status_block"
+        android:title="@string/action_block" />
+    <item
+        android:id="@+id/status_report"
+        android:title="@string/action_report" />
 </menu>

app/src/main/res/menu/status_more_for_user.xml

@@ -12,8 +12,18 @@
                 android:title="@string/status_share_content" />
         </menu>
     </item>
-    <item android:visible="false" android:id="@+id/status_reblog_private" android:title="@string/reblog_private"/>
-    <item android:visible="false" android:id="@+id/status_unreblog_private" android:title="@string/unreblog_private"/>
-    <item android:title="@string/action_delete"
-        android:id="@+id/status_delete" />
+    <item
+        android:id="@+id/status_copy_link"
+        android:title="@string/action_copy_link" />
+    <item
+        android:id="@+id/status_reblog_private"
+        android:title="@string/reblog_private"
+        android:visible="false" />
+    <item
+        android:id="@+id/status_unreblog_private"
+        android:title="@string/unreblog_private"
+        android:visible="false" />
+    <item
+        android:id="@+id/status_delete"
+        android:title="@string/action_delete" />
 </menu>