Revert "remove context() and specify()"
Revert "remove context() and specify()"

This reverts commit 914c73654ecdc7c8c9431cfa48b13d59241b201d.

kolodny/mocha,joshski/mocha,cleberar38/mocha,pumpupapp/mocha,gaye/mocha,santiagoaguiar/mocha,mbovel/mocha,hackreactor/mocha,GabrielNicolasAvellaneda/mocha,boneskull/mocha,beatfactor/mocha,cleberar38/mocha,ajaykodali/mocha,IveWong/mocha,beni55/mocha,irnc/mocha,wltsmrz/mocha,hashcube/mocha,node-rookie/mocha,youprofit/mocha,DeNA/mocha,irnc/mocha,DeNA/mocha,TimothyGu/mocha,ianwremmel/mocha,villesau/mocha,adamgruber/mocha,GranitB/mocha,IveWong/mocha,jbnicolai/mocha,rlugojr/mocha,imsobear/mocha,sul4bh/mocha,charlie77/mocha,upfrontIO/mocha,phated/mocha,woodyrew/mocha,michaelBenin/mocha,mysterycommand/mocha,rlugojr/mocha,pandeysoni/mocha,antoval/mocha,michaelBenin/mocha,glenjamin/mocha,domenic/mocha,kyroskoh/mocha,TimothyGu/mocha,GerHobbelt/mocha,KevinTCoughlin/mocha,boneskull/mocha,hashcube/mocha,youprofit/mocha,GabrielNicolasAvellaneda/mocha,ELLIOTTCABLE/mocha,ilkkao/co-mocha,ianwremmel/mocha,phated/mocha,Phoenixmatrix/mocha,JohnnyEstilles/mocha,geometrybase/mocha,jbnicolai/mocha,netei/mocha,Hacker0x01/mocha,netei/mocha,pumpupapp/mocha,rstacruz/mocha,nexdrew/mocha,moander/mocha,aaroncrows/mocha,ELLIOTTCABLE/mocha,menelaos/mocha-solarized,antoval/mocha,luxe-eng/valet-express.mocha,jkresner/mocha,hoverduck/mocha,villesau/mocha,ilkkao/co-mocha,ajaykodali/mocha,aaroncrows/mocha,adamgruber/mocha,upfrontIO/mocha,mponizil/mocha,phated/mocha,igwejk/mocha,benvinegar/mocha,nightwatchjs/mocha-nightwatch,santiagoaguiar/mocha,jasonkarns/mocha,kevinburke/mocha,kyroskoh/mocha,nexdrew/mocha,jjoos/mocha,igwejk/mocha,ELLIOTTCABLE/mocha,diydyq/mocha,jbnicolai/mocha,benvinegar/mocha,jasonkarns/mocha,beni55/mocha,villesau/mocha,diydyq/mocha,sul4bh/mocha,tinganho/mocha,sul4bh/mocha,Khan/mocha,Hacker0x01/mocha,kevinburke/mocha,hashcube/mocha,kolodny/mocha,tswaters/mocha,rstacruz/mocha,pandeysoni/mocha,pandeysoni/mocha,kevinburke/mocha,ianwremmel/mocha,beatfactor/mocha,JohnnyEstilles/mocha,charlie77/mocha,tswaters/mocha,domenic/mocha,ryanshawty/mocha,imsobear/mocha,Hacker0x01/mocha,gaye/mocha,tinganho/mocha,KevinTCoughlin/mocha,mochajs/mocha,npmcomponent/visionmedia-mocha,jkresner/mocha,charlie77/mocha,apkiernan/mocha,wltsmrz/mocha,boneskull/mocha,mysterycommand/mocha,wltsmrz/mocha,tinganho/mocha,mponizil/mocha,nightwatchjs/mocha-nightwatch,jjoos/mocha,Phoenixmatrix/mocha,airportyh/mocha,Khan/mocha,papandreou/mocha,diydyq/mocha,outsideris/mocha,ajaykodali/mocha,papandreou/mocha,moander/mocha,airportyh/mocha,npmcomponent/visionmedia-mocha,a8m/mocha,Shyp/mocha,cleberar38/mocha,joshski/mocha,mochajs/mocha,geometrybase/mocha,geometrybase/mocha,ryanshawty/mocha,node-rookie/mocha,menelaos/mocha-solarized,jjoos/mocha,apkiernan/mocha,duncanbeevers/mocha,verkkokauppacom/mocha,Shyp/mocha,benvinegar/mocha,beni55/mocha,a8m/mocha,netei/mocha,hoverduck/mocha,gaye/mocha,mochajs/mocha,rstacruz/mocha,upfrontIO/mocha,tswaters/mocha,imsobear/mocha,ilkkao/co-mocha,kyroskoh/mocha,mponizil/mocha,verkkokauppacom/mocha,hoverduck/mocha,verkkokauppacom/mocha,Phoenixmatrix/mocha,youprofit/mocha,KevinTCoughlin/mocha,GerHobbelt/mocha,luxe-eng/valet-express.mocha,nexdrew/mocha,node-rookie/mocha,rlugojr/mocha,woodyrew/mocha,DeNA/mocha,mbovel/mocha,moander/mocha,IveWong/mocha,beatfactor/mocha,JohnnyEstilles/mocha,mbovel/mocha,GranitB/mocha,kolodny/mocha,menelaos/mocha-solarized,GranitB/mocha,GerHobbelt/mocha,jkresner/mocha,sergeydt/mocha,pumpupapp/mocha,mysterycommand/mocha,GabrielNicolasAvellaneda/mocha,apkiernan/mocha,hoverduck/mocha,woodyrew/mocha,adamgruber/mocha,irnc/mocha,outsideris/mocha,a8m/mocha,duncanbeevers/mocha,glenjamin/mocha,Khan/mocha,aaroncrows/mocha,Shyp/mocha,joshski/mocha,santiagoaguiar/mocha,nightwatchjs/mocha-nightwatch,ryanshawty/mocha,hackreactor/mocha,jasonkarns/mocha,luxe-eng/valet-express.mocha,antoval/mocha,sergeydt/mocha