Notification popups nog longer obscure menu items.
Progress bar in datasets list.
notification and notification_result tables added
Notification messages implemented
new dataset status strategy implemented
Merge pull request #76 from IDgis/notifications

Notifications
Merge pull request #75 from IDgis/datasets-improvements

Datasets improvements
Dataset status is displayed in the dataset list.
- Column change notification can be displayed for a dataset
- Altered views dataset_status and last_import_job
Column change notifications are displayed as warnings.
Dataset rows are displayed in the warning state when there are
notifications.
Merge pull request #77 from IDgis/admin-dataset-status

Admin dataset status