fix #985: maks sFactory private - force injection in test module
remove UI tests (Robotium)
fix WPHtmlTest (startImg was static)
fix PostUploadService tests for Zbeta variant
Merge remote-tracking branch 'origin/develop' into issue/985-make-sfactory-private

Conflicts:
	WordPress/src/androidTest/java/org/wordpress/android/ActivityRobotiumTestCase.java
remove JSONUtil.copyJSONObject test
Merge branch 'develop' into issue/985-make-sfactory-private
remove org.apache.httpcomponents dependency (use internal Android version)
move database deletion, and delegate creation to the WordPressDB constructor
update readme to run tests
Merge pull request #2006 from wordpress-mobile/issue/985-make-sfactory-private

fix #985 make sFactory private in factories