Check if weekday is valid integer (if specified as integer)
pass calendar to the browser
[mongo] use Calendar, renamed DateSupport to MongoDateSupport, removed _determine_weekday() – provided by the Calendar
[mongo] removed unused TZ variables
[slicer] accept list of cubes to test
[slicer] Handle only cubes error in test, other errors should be handled by cubes – therefore we need to know about them
[slicer] add store inclusion in test
[slicer+sql] added aggregate test
Handle MS Windows paths as files not as URLs, temporarily fixes #171