in 'by the numbers' add tooltips for the ones that were missing tooltips, fixes #57
add a data credit below 'by the numbers' to the Census, DCRA, and ABRA
in the committee list, dont show the Chair line if there's no chair and dont show empty parens if there is no email address
on ANC pages, make the h1 have a bigger font size than the h2's
header: only use Central Union Mission font for the site name and force a line break between 'ANC' and 'Brigade' because it looks a bit better and tended to wrap there at least for me anyway