new class DefaultMocksInstrumentationTestCase to initiatlize XMLRPC and Rest Factories with default test factories
rethrows IOException and XmlPullParserException in our XMLRPCClient Mock
add a few tests to check for #1189 - fix #1197
remove WordPressDB_NotificationsTest.java
update to android-gradle-plugin 0.10.+
fix Media and Login tests
Merge pull request #1431 from wordpress-mobile/issue/1197-xmlrpc-tests

fix #1197 xmlrpc tests
Merge pull request #1466 from wordpress-mobile/issue/1465-remove-unused-tests

fix #1465 remove unused tests
Merge branch 'develop' of https://github.com/wordpress-mobile/WordPress-Android into issue/1336-reader-swipe-posts