Less re-rendering with progress reporter
Less re-rendering with progress reporter

With a large number of small tests a significant portion of the testing time is simply re-rendering the progress bar, this only re-renders the progress bar if the progress has changed.
mysterycommand/mocha,tswaters/mocha,node-rookie/mocha,netei/mocha,luxe-eng/valet-express.mocha,tinganho/mocha,IveWong/mocha,mysterycommand/mocha,gaye/mocha,verkkokauppacom/mocha,cleberar38/mocha,Khan/mocha,santiagoaguiar/mocha,node-rookie/mocha,menelaos/mocha-solarized,jjoos/mocha,villesau/mocha,joshski/mocha,IveWong/mocha,hoverduck/mocha,woodyrew/mocha,kevinburke/mocha,irnc/mocha,igwejk/mocha,GranitB/mocha,Khan/mocha,antoval/mocha,apkiernan/mocha,sul4bh/mocha,youprofit/mocha,kolodny/mocha,boneskull/mocha,a8m/mocha,jbnicolai/mocha,tswaters/mocha,ryanshawty/mocha,woodyrew/mocha,jkresner/mocha,Hacker0x01/mocha,gaye/mocha,netei/mocha,nexdrew/mocha,diydyq/mocha,DeNA/mocha,youprofit/mocha,upfrontIO/mocha,JohnnyEstilles/mocha,rlugojr/mocha,pandeysoni/mocha,Shyp/mocha,duncanbeevers/mocha,tswaters/mocha,Phoenixmatrix/mocha,outsideris/mocha,GabrielNicolasAvellaneda/mocha,nexdrew/mocha,ajaykodali/mocha,Shyp/mocha,nexdrew/mocha,menelaos/mocha-solarized,mochajs/mocha,jjoos/mocha,jjoos/mocha,wltsmrz/mocha,hashcube/mocha,diydyq/mocha,GabrielNicolasAvellaneda/mocha,papandreou/mocha,wltsmrz/mocha,beatfactor/mocha,GerHobbelt/mocha,nightwatchjs/mocha-nightwatch,beni55/mocha,hoverduck/mocha,pumpupapp/mocha,imsobear/mocha,menelaos/mocha-solarized,rstacruz/mocha,jkresner/mocha,hoverduck/mocha,diydyq/mocha,mponizil/mocha,ajaykodali/mocha,ianwremmel/mocha,mbovel/mocha,luxe-eng/valet-express.mocha,DeNA/mocha,beatfactor/mocha,joshski/mocha,a8m/mocha,KevinTCoughlin/mocha,GranitB/mocha,node-rookie/mocha,antoval/mocha,Phoenixmatrix/mocha,kolodny/mocha,mochajs/mocha,JohnnyEstilles/mocha,tinganho/mocha,nightwatchjs/mocha-nightwatch,santiagoaguiar/mocha,verkkokauppacom/mocha,mponizil/mocha,phated/mocha,mbovel/mocha,sul4bh/mocha,nightwatchjs/mocha-nightwatch,ianwremmel/mocha,mponizil/mocha,kevinburke/mocha,outsideris/mocha,benvinegar/mocha,JohnnyEstilles/mocha,woodyrew/mocha,GerHobbelt/mocha,Hacker0x01/mocha,imsobear/mocha,ryanshawty/mocha,ajaykodali/mocha,verkkokauppacom/mocha,geometrybase/mocha,igwejk/mocha,jasonkarns/mocha,villesau/mocha,imsobear/mocha,KevinTCoughlin/mocha,aaroncrows/mocha,benvinegar/mocha,charlie77/mocha,adamgruber/mocha,jbnicolai/mocha,netei/mocha,geometrybase/mocha,mysterycommand/mocha,benvinegar/mocha,moander/mocha,kolodny/mocha,kyroskoh/mocha,Khan/mocha,gaye/mocha,geometrybase/mocha,kyroskoh/mocha,Phoenixmatrix/mocha,cleberar38/mocha,irnc/mocha,rstacruz/mocha,ELLIOTTCABLE/mocha,GranitB/mocha,kyroskoh/mocha,IveWong/mocha,jasonkarns/mocha,Shyp/mocha,papandreou/mocha,antoval/mocha,charlie77/mocha,aaroncrows/mocha,Hacker0x01/mocha,beni55/mocha,sul4bh/mocha,rlugojr/mocha,pandeysoni/mocha,jasonkarns/mocha,ryanshawty/mocha,mochajs/mocha,apkiernan/mocha,kevinburke/mocha,upfrontIO/mocha,phated/mocha,aaroncrows/mocha,phated/mocha,hashcube/mocha,ELLIOTTCABLE/mocha,youprofit/mocha,tinganho/mocha,ianwremmel/mocha,cleberar38/mocha,jkresner/mocha,jbnicolai/mocha,irnc/mocha,upfrontIO/mocha,TimothyGu/mocha,beatfactor/mocha,moander/mocha,charlie77/mocha,luxe-eng/valet-express.mocha,wltsmrz/mocha,duncanbeevers/mocha,ELLIOTTCABLE/mocha,KevinTCoughlin/mocha,rstacruz/mocha,TimothyGu/mocha,GerHobbelt/mocha,DeNA/mocha,boneskull/mocha,rlugojr/mocha,apkiernan/mocha,beni55/mocha,villesau/mocha,adamgruber/mocha,boneskull/mocha,joshski/mocha,santiagoaguiar/mocha,pumpupapp/mocha,adamgruber/mocha,moander/mocha,a8m/mocha,mbovel/mocha,pumpupapp/mocha,GabrielNicolasAvellaneda/mocha,pandeysoni/mocha,hashcube/mocha,hoverduck/mocha