Initial work on grid dropdowns

Fixed some things that made kitchen_sink bomb with
errors. Not all questions look right though.
	modified:   app/controllers/surveyor_gui/reports_controller.rb
	modified:   app/views/questions/_grid_dropdown_columns.html.erb
	modified:   app/views/surveyor_gui/reports/_graphs.html.haml
	new file:   app/views/surveyor_gui/reports/_grid_dropdown.html.haml
	modified:   app/views/surveyor_gui/reports/_question_number.html.haml
	modified:   app/views/surveyor_gui/reports/_show_report.html.haml