Fix RealmTest for Realm.close()
Merge remote-tracking branch 'origin/master' into ez-close-in-tests

Conflicts:
	realm/src/androidTest/java/io/realm/RealmTest.java
Modify the unit tests to comply to Realm.close()
Fix annotation processor test
Fix minor issues
Merge pull request #621 from realm/ez-close-in-tests

Use Realm.close() in unit tests