Standardise List side panel heading sizes at h4, drop size of print/add buttons so they don't wrap.
Standardise List side panel heading sizes at h4, drop size of print/add
buttons so they don't wrap.

refs openhealthcare/elcid#562
refs openhealthcare/elcid#577

khchine5/opal,khchine5/opal,khchine5/opal