Prepare for database import/export using Gson
Mark some fields transient to satisfy Gson
Use custom date format for JSON
Make SchedulePart actually usable
Merge branch 'master' into gson-testing
Add ImportActivity
Allow non-unique member names in hierarchy
Disable logging
More changes to make SchedulePart usable
Add setInMemoryOnly (testing only)
Don't log calls to notifyBackupDataChanged
Use mixed fraction format for JSON
Add getter methods for begin/end
Don't fail on expected ArithmeticException
Do some actual testing
Make the tests work
Merge branch 'gson-testing'