Extra createDataset flag passed to the dataset edit form to indicate
whether the form is used for a new or an existing dataset.
Dataset column diff uses the source_dataset_column_diff view.
Secured the logging and the events controller.
Merge pull request #90 from IDgis/fix-admin-column-diff

Dataset column diff uses the source_dataset_column_diff view.
Event polling is disabled when the event bar is not part of the layout
(currently this is the case for the login page).
Merge pull request #89 from IDgis/fix-admin-dataset-create

Fix create form for datasets
Merge pull request #91 from IDgis/fix-admin-security

Secured the logging and the events controller.
Merge pull request #92 from IDgis/fix-admin-login-page

Event polling is disabled when the event bar is not part of the layout