move about link to bottom and tighten text in methods link a bit, fixes #7
add buttons and integrate andy edit recommendations done by me and jessica, fixes #9, #8, #7
add log scale option with sane labels
make quartile explanation more clear
add zepto 4 interactivity
add legend and expand-on-click to network
Merge pull request #16 from detroitledger/wowSuchLaunchVeryClose

Wow, such launch, very close.