Fix UUID generator.
[OE-4000] Additional columns for medication.
[OE-4000] Display previous medications and new columns.
[OE-4000] Reformat medications to accomodate new columns.
[OE-4000] Move medication js to separate file.
[OE-4000] Make reason for stopping clearer.
[OE-4000] Move medication functionality to separate controller.
[OE-4000] Add new fields and make dates fuzzy.