Add link to my queries screen in update email
Implement check for dataset expiration in notification mail

If the dataset has expired, the query notification mail will tell that to the user and cancel the subscription.
Merge branch 'master' into features/update_notification
add mica_connector.module to patch folder
Merge branch 'features/query_access' into features/update_notification
Implement access checks on querying

- Only admins or members of a dataset group can query a dataset
- Expired datasets can not be queried
Merge pull request #50 from thehyve/features/update_notification

Features/update notification