Changing the default length of records displayed from 10 to All in number of biomarkers displayed.

This is apparently easier for Maureen to quickly jump to a required biomarker.
Plus, the search box still allows her to narrow down to a smaller list.
The index.ctp affects the main biomarker page, while
the view.ctp affects those of the individual biomarkers.
Also reduced the number of options in the drop down menu and made them identical for both scripts.