Use full width of drawer for logo

Signed-off-by: tobiasKaminsky <tobias@kaminsky.me>

src/main/res/layout/drawer_header.xml

@@ -26,7 +26,7 @@
 
     <ImageView
         android:id="@+id/drawer_header_logo"
-        android:layout_width="@dimen/drawer_header_logo_width"
+        android:layout_width="match_parent"
         android:layout_height="match_parent"
         android:layout_margin="@dimen/standard_margin"
         android:contentDescription="@string/empty"