Added FORCE_REFRESH to the manifest.

This isn't strictly necessary, on account of how the widget still works,
but still.

app/src/main/AndroidManifest.xml

@@ -22,6 +22,7 @@
                 <action android:name="android.appwidget.action.APPWIDGET_UPDATE" />
                 <action android:name="net.exclaimindustries.dbwidget.DATA_FETCHED" />
                 <action android:name="net.exclaimindustries.dbwidget.FETCHING" />
+                <action android:name="net.exclaimindustries.dbwidget.FORCE_REFRESH" />
                 <action android:name="net.exclaimindustries.dbwidget.CHECK_ALARM" />
             </intent-filter>