refs #5940 moved files into a subfolder framework, added autoloader to remove duplicated code to load autoload.php and to be able to register more autoloaders (eg for test files) on demand. This I got read of many includes that had to be updated all the time and that had to be updated all the time when moving iles

refs #5940 we might stay backwards compatible this way for 2 months. moved some tests from unit to integration and explained when a test is a unit test, an integration test or a system test.

refs #5940 put tests in correct folders, better testsuite names, some tests still fail and I cannot figure out why

The MYSQL_ATTR_FOUND_ROWS attribute only works as a connection option, and cannot be set after mysql connection is established. source: http://stackoverflow.com/a/18684115/3759928 - this should fix the build!

Adding unit test to check that rowCount() really returns matched rows and not only affected/updated rows