Update Study Sheet

[cjmyers]

• Potentially remove Study in future
• Potentially remove Assay in future (use Welcome page)
• Potentially orient Sample like a plate
• Consider if measurement is needed (not needed for plate, but possibly others)
• Potentially remove signal (at least for plate)
• Unhide SBH_sampledesigns_collection
• Hide Init
• Hide column_definitions
• Remove ontology_terms
• Remove organism_terms
• Remove molecule_types
• Remove nci_thesaurus
• Hide flapjack_cols
• Hide _DropdownState
• Hide _DropdownLists
• Hide _DropdownMap