Make settings fragment refresh after auto-configure.

Tested:
  Manually.
Fixing Barcode unit tests
Merge pull request #117 from nightscout/tr.settingsRefresh

Make settings fragment refresh after auto-configure.
Merge remote-tracking branch 'origin/dev' into 76-kl.mqttui

Conflicts:
	app/src/main/java/com/nightscout/android/settings/SettingsActivity.java
Fixing unit test