First cut fix for #774
Fix issue with long running jasmine tests
Merge remote-tracking branch 'origin/master' into issue-774-returns
Major refactor of bounding box handling
Fixes issue 774; spatial constraint is now consistently applied to layers
Spatial constraint does not reset after active layer change
Switching between layers with no filtering options now behaves correctly
Changes made to combo box default value
Code style changes
Code style changes for no filter handling in step 2
Merge pull request #986 from aodn/issue-774-returns

Spatial constraint consistently applied to active layers