Fix wrong access check for com_checkin
Merge pull request #1219 from sanderpotjer/com_checkin

Fix wrong access check for com_checkin
Sync Database to Platform 13.1
Implement Database package tests from the Platform
Fix for failing transactions from joomla/joomla-framework@052e7c3ea2b97a13765ab77a3471ea59c4181716
Enable MySQL(i) and PostgreSQL testing on Travis
Expand database test coverage
Correct unit test
Changelog
Port URI package unit tests from Platform
Port Facebook package unit tests from Platform
Port Linkedin, Oauth1, OAuth2, and Openstreetmap package unit tests from Platform
Port Access and Application package unit tests from Platform
Fix unit test failures reported by Travis
Restore accidentally deleted methods
Port Archive, Base, Cache, Client, Controller, and Crypt package unit tests from Platform
Port Data, Document, Date, Environment, and Event package unit tests from Platform
Fix PHPCS issues