merge updates for filter and welcome page
fix bugs in fallahi-sichani 2013 page
fix typo in dose-response grid page
fix bug in fallahi-sichani 2013 page
significant editing of d-r widget page
minor editing of fallahi-sichani 2013
fix bug in dose_response_grid
fix minor bug in dr grid
replace E_max < 0.001 with 0
Merge branch 'dev' of github.com:hmslincs/hmslincs into dev
very-beta scatterplot widget
assorted tweaks
new name: scatterplot_browser
add scatterplot_browser to tools table
minor formatting changes

1. "re-instate" #pagebody
2. make "track" narrower
clean-up visibility handling
remove scrollbar hack
minor tweak
decruft css, js, html
major upgrade of scatterplot_browser