Removed unused code.
Removed file from index.gspx
next button not visible if no data collections are set
tests for navigable card layout when no data collections selected
fixed decision making for navigation buttons
main toolbar renders buttons on layer removal
proper counting of items in layer store
fixed test - 'next' button on main toolbar hidden on load
Merge pull request #483 from aodn/remove_unused_view_record_column

Removed unused code.
fixed styling to have faceted search rows and faceted parameters in slightly more gray background
Merge pull request #491 from aodn/issue_454

Fixing issue #454
moved logic of next button display to main toolbar
moved next button tests to MainToolbarSpec
Fixed a problem where paging was calling a method which no longer exists (hence causing an error, and stopping paging from working).
mocking maintoolbar a bit better in mainpanel tests
using getCount to get number of records in ActiveGeoNetworkRecordStore
Merge pull request #488 from aodn/issue_451

Issue 451
Merge pull request #482 from aodn/step_titles

Step titles on each step
Fix for #444 - details panel is explicitly expanded when collection added.
Now also maximising the map actions control when a collection is selected.