Added global menu. refs #2504
Added test for menu. tested with robolectric! ref #2504
added scope test to the pom.xml for robolectric refs #2504
Finish 2504-global-menu closes #2504 refs #2741

Conflicts:
	AndroidManifest.xml
	pom.xml
	res/values/strings.xml
	src/main/java/io/github/data4all/MainActivity.java