Merge pull request #1873 from dennishendriksen/master

Add equals/hashcode for AggregateQueryImpl
spinner modal should not be "closable" when clicking the backdrop
Merge pull request #1874 from bartcharbon/master

spinner modal should not be "closable" when clicking the backdrop
Merge pull request #1875 from dennishendriksen/master

Fix 1D aggregates
Merge pull request #1877 from dennishendriksen/master

Prevent BulkProcessor overflow
Remove event handlers (change query event is sufficient)