add tests for related_items
add navigation by type for search specs
add spec for contributed-by searches
fix spec errors
update list of removed features
Merge branch 'kete2' into rr-add-missing-tests

Conflicts:
	spec/horowhenau/features/related_items_spec.rb
fix tagging and add spec
fix search_results_spec.rb

The order of results returned by an all search varies from
search to search on Rob's computer but not Eoin's.
fix text on page twice, spec errors
Merge pull request #15 from kete/rr-add-missing-tests

Add missing tests & fix tagging work that was missed.