commit e5bf000c714ab780fb719b7f806413172f484171
Merge: d4d24f4 028aeda
Author: Alexey Sergushichev <alsergbox@gmail.com>
Date:   Sat Dec 21 18:45:20 2019 +0300

    Merge pull request #61 from ElucidataInc/ftr_volcano_plot
    
    change 'let' to 'var' to pass ES5 for phantomjs