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Remove format block and just render json.
Merge pull request #15 from hrishikeshs/rails_cleanup

Remove format block and just render json.
Move search box below the navigation display.
Merge pull request #16 from hrishikeshs/prettify-searchbox

Move search box below the navigation display.
Start using simpletable for databases' table.
Use Simpletable to display collections listing.
Minor clean up.