further progress on basal tooltips: durations, large tooltips for temp/undelivered, but images not large enough, undelivered info waiting for basalutil.js bugfix
Merge branch 'jebeck/basal-tooltips'
more-or-less finished basal tooltips; even more robust fix for data domain/'blank rectangle' problem
jshint fixes
changed format to have units directly follow values with no space
jshint fixes