Make DispatchRider::Publisher#configure indifferent to string or symbol keys
Merge pull request #15 from payrollhero/fix_double_serialize_on_file_system_bug

Fix double serialize on file system bug
Merge pull request #17 from payrollhero/make_configuration_hash_indifferent

Make configuration hash indifferent
Add hooks for handling error
Merge pull request #20 from payrollhero/error_handling_hooks

Error handling hooks
Merge remote-tracking branch 'origin/master' into payrollhero-dev

Conflicts:
	spec/lib/dispatch-rider/dispatcher_spec.rb