Add some more WebDriver capabilities from the spec.
Add some more WebDriver capabilities from the spec.

akosel/servo,brendandahl/servo,g-k/servo,jlegendary/servo,brendandahl/servo,upsuper/servo,DominoTree/servo,pyfisch/servo,nrc/servo,jimberlage/servo,saneyuki/servo,ConnorGBrewster/servo,g-k/servo,emilio/servo,nnethercote/servo,huonw/servo,eddyb/servo,CJ8664/servo,notriddle/servo,bjwbell/servo,thiagopnts/servo,tafia/servo,runarberg/servo,steveklabnik/servo,runarberg/servo,notriddle/servo,cbrewster/servo,tempbottle/servo,upsuper/servo,ConnorGBrewster/servo,jlegendary/servo,jdramani/servo,nick-thompson/servo,dsandeephegde/servo,larsbergstrom/servo,youprofit/servo,CJ8664/servo,saratang/servo,zentner-kyle/servo,splav/servo,upsuper/servo,A-deLuna/servo,upsuper/servo,ConnorGBrewster/servo,fiji-flo/servo,jimberlage/servo,huonw/servo,ConnorGBrewster/servo,mattnenterprise/servo,bjwbell/servo,meh/servo,boghison/servo,mbrubeck/servo,brendandahl/servo,sadmansk/servo,peterjoel/servo,nrc/servo,aweinstock314/servo,szeged/servo,upsuper/servo,RenaudParis/servo,KiChjang/servo,RenaudParis/servo,mbrubeck/servo,fiji-flo/servo,nnethercote/servo,aidanhs/servo,g-k/servo,akosel/servo,sadmansk/servo,bjwbell/servo,wartman4404/servo,thiagopnts/servo,dagnir/servo,upsuper/servo,AnthonyBroadCrawford/servo,youprofit/servo,jlegendary/servo,youprofit/servo,j3parker/servo,szeged/servo,pyfisch/servo,wartman4404/servo,zentner-kyle/servo,s142857/servo,CJ8664/servo,nick-thompson/servo,mbrubeck/servo,saratang/servo,GyrosOfWar/servo,steveklabnik/servo,peterjoel/servo,SimonSapin/servo,cbrewster/servo,boghison/servo,AnthonyBroadCrawford/servo,avadacatavra/servo,vks/servo,mattnenterprise/servo,canaltinova/servo,AnthonyBroadCrawford/servo,meh/servo,kindersung/servo,saneyuki/servo,dhananjay92/servo,canaltinova/servo,zentner-kyle/servo,eddyb/servo,steveklabnik/servo,jdramani/servo,canaltinova/servo,A-deLuna/servo,pgonda/servo,codemac/servo,dhananjay92/servo,kindersung/servo,vks/servo,szeged/servo,kindersung/servo,notriddle/servo,eddyb/servo,splav/servo,vks/servo,walac/servo,j3parker/servo,canaltinova/servo,KiChjang/servo,nick-thompson/servo,caldwell/servo,pyecs/servo,boghison/servo,larsbergstrom/servo,aidanhs/servo,boghison/servo,tempbottle/servo,dvberkel/servo,peterjoel/servo,caldwell/servo,rentongzhang/servo,splav/servo,aidanhs/servo,nnethercote/servo,saratang/servo,dagnir/servo,paulrouget/servo,kindersung/servo,ryancanhelpyou/servo,pyfisch/servo,sadmansk/servo,brendandahl/servo,nrc/servo,g-k/servo,larsbergstrom/servo,dsandeephegde/servo,upsuper/servo,dsandeephegde/servo,paulrouget/servo,jdramani/servo,fiji-flo/servo,sadmansk/servo,jdramani/servo,rentongzhang/servo,ryancanhelpyou/servo,larsbergstrom/servo,wartman4404/servo,jimberlage/servo,dhananjay92/servo,meh/servo,pyfisch/servo,cbrewster/servo,DominoTree/servo,jlegendary/servo,GyrosOfWar/servo,brendandahl/servo,tempbottle/servo,peterjoel/servo,youprofit/servo,paulrouget/servo,ConnorGBrewster/servo,sadmansk/servo,mdibaiee/servo,dsandeephegde/servo,aidanhs/servo,canaltinova/servo,pyecs/servo,codemac/servo,A-deLuna/servo,boghison/servo,aidanhs/servo,anthgur/servo,emilio/servo,nrc/servo,GyrosOfWar/servo,KiChjang/servo,mbrubeck/servo,dati91/servo,DominoTree/servo,szeged/servo,WriterOfAlicrow/servo,pyfisch/servo,wartman4404/servo,GyrosOfWar/servo,CJ8664/servo,pyecs/servo,DominoTree/servo,A-deLuna/servo,nerith/servo,tempbottle/servo,j3parker/servo,avadacatavra/servo,huonw/servo,notriddle/servo,SimonSapin/servo,saratang/servo,notriddle/servo,walac/servo,wartman4404/servo,splav/servo,mdibaiee/servo,dvberkel/servo,j3parker/servo,jimberlage/servo,jlegendary/servo,CJ8664/servo,GyrosOfWar/servo,emilio/servo,SimonSapin/servo,youprofit/servo,paulrouget/servo,peterjoel/servo,steveklabnik/servo,g-k/servo,huonw/servo,avadacatavra/servo,RenaudParis/servo,SimonSapin/servo,ryancanhelpyou/servo,nrc/servo,mattnenterprise/servo,paulrouget/servo,pyecs/servo,WriterOfAlicrow/servo,tafia/servo,szeged/servo,mattnenterprise/servo,GyrosOfWar/servo,walac/servo,emilio/servo,saneyuki/servo,thiagopnts/servo,eddyb/servo,rnestler/servo,ConnorGBrewster/servo,KiChjang/servo,saratang/servo,larsbergstrom/servo,dvberkel/servo,nrc/servo,dagnir/servo,nerith/servo,akosel/servo,szeged/servo,splav/servo,dagnir/servo,anthgur/servo,codemac/servo,dagnir/servo,dvberkel/servo,codemac/servo,AnthonyBroadCrawford/servo,CJ8664/servo,pyecs/servo,pgonda/servo,runarberg/servo,s142857/servo,WriterOfAlicrow/servo,nnethercote/servo,mbrubeck/servo,aweinstock314/servo,rnestler/servo,mbrubeck/servo,runarberg/servo,dati91/servo,huonw/servo,s142857/servo,meh/servo,szeged/servo,notriddle/servo,larsbergstrom/servo,anthgur/servo,DominoTree/servo,aweinstock314/servo,saneyuki/servo,caldwell/servo,ryancanhelpyou/servo,emilio/servo,peterjoel/servo,KiChjang/servo,dsandeephegde/servo,bjwbell/servo,jimberlage/servo,notriddle/servo,splav/servo,tafia/servo,s142857/servo,dvberkel/servo,larsbergstrom/servo,vks/servo,j3parker/servo,WriterOfAlicrow/servo,s142857/servo,bjwbell/servo,SimonSapin/servo,fiji-flo/servo,huonw/servo,rnestler/servo,vks/servo,dvberkel/servo,nnethercote/servo,ryancanhelpyou/servo,rnestler/servo,GyrosOfWar/servo,s142857/servo,dati91/servo,codemac/servo,caldwell/servo,AnthonyBroadCrawford/servo,jlegendary/servo,nnethercote/servo,larsbergstrom/servo,KiChjang/servo,brendandahl/servo,pyfisch/servo,rnestler/servo,anthgur/servo,rnestler/servo,avadacatavra/servo,thiagopnts/servo,codemac/servo,rentongzhang/servo,A-deLuna/servo,nerith/servo,cbrewster/servo,runarberg/servo,peterjoel/servo,brendandahl/servo,saratang/servo,jimberlage/servo,DominoTree/servo,RenaudParis/servo,splav/servo,zentner-kyle/servo,rentongzhang/servo,pgonda/servo,runarberg/servo,steveklabnik/servo,canaltinova/servo,wartman4404/servo,j3parker/servo,j3parker/servo,peterjoel/servo,splav/servo,g-k/servo,saneyuki/servo,larsbergstrom/servo,nerith/servo,dvberkel/servo,cbrewster/servo,AnthonyBroadCrawford/servo,sadmansk/servo,thiagopnts/servo,kindersung/servo,DominoTree/servo,szeged/servo,meh/servo,notriddle/servo,splav/servo,tafia/servo,thiagopnts/servo,dati91/servo,akosel/servo,pyfisch/servo,mbrubeck/servo,jdramani/servo,avadacatavra/servo,RenaudParis/servo,WriterOfAlicrow/servo,tempbottle/servo,WriterOfAlicrow/servo,mdibaiee/servo,emilio/servo,fiji-flo/servo,rentongzhang/servo,tafia/servo,SimonSapin/servo,canaltinova/servo,youprofit/servo,steveklabnik/servo,DominoTree/servo,peterjoel/servo,jimberlage/servo,dhananjay92/servo,bjwbell/servo,zentner-kyle/servo,jdramani/servo,eddyb/servo,anthgur/servo,jimberlage/servo,paulrouget/servo,pgonda/servo,pyfisch/servo,boghison/servo,splav/servo,pyfisch/servo,upsuper/servo,nnethercote/servo,notriddle/servo,dagnir/servo,cbrewster/servo,cbrewster/servo,dati91/servo,WriterOfAlicrow/servo,anthgur/servo,emilio/servo,wartman4404/servo,nick-thompson/servo,szeged/servo,runarberg/servo,dsandeephegde/servo,sadmansk/servo,kindersung/servo,A-deLuna/servo,ryancanhelpyou/servo,caldwell/servo,bjwbell/servo,ryancanhelpyou/servo,AnthonyBroadCrawford/servo,cbrewster/servo,KiChjang/servo,thiagopnts/servo,nick-thompson/servo,dsandeephegde/servo,avadacatavra/servo,pgonda/servo,emilio/servo,vks/servo,jimberlage/servo,huonw/servo,mbrubeck/servo,SimonSapin/servo,zentner-kyle/servo,DominoTree/servo,s142857/servo,RenaudParis/servo,mdibaiee/servo,KiChjang/servo,paulrouget/servo,akosel/servo,canaltinova/servo,vks/servo,pgonda/servo,mattnenterprise/servo,peterjoel/servo,meh/servo,caldwell/servo,fiji-flo/servo,nerith/servo,paulrouget/servo,notriddle/servo,aweinstock314/servo,tafia/servo,aweinstock314/servo,rnestler/servo,pyfisch/servo,nerith/servo,DominoTree/servo,steveklabnik/servo,szeged/servo,emilio/servo,tempbottle/servo,walac/servo,fiji-flo/servo,kindersung/servo,pgonda/servo,saratang/servo,A-deLuna/servo,boghison/servo,saneyuki/servo,mattnenterprise/servo,aweinstock314/servo,paulrouget/servo,emilio/servo,KiChjang/servo,akosel/servo,nick-thompson/servo,mdibaiee/servo,saneyuki/servo,meh/servo,mattnenterprise/servo,nnethercote/servo,mdibaiee/servo,pyecs/servo,jlegendary/servo,anthgur/servo,thiagopnts/servo,g-k/servo,nnethercote/servo,paulrouget/servo,rentongzhang/servo,tempbottle/servo,aidanhs/servo,rentongzhang/servo,mdibaiee/servo,nick-thompson/servo,CJ8664/servo,anthgur/servo,eddyb/servo,avadacatavra/servo,dhananjay92/servo,mattnenterprise/servo,walac/servo,dsandeephegde/servo,walac/servo,saneyuki/servo,codemac/servo,RenaudParis/servo,akosel/servo,dati91/servo,ConnorGBrewster/servo,sadmansk/servo,rnestler/servo,jdramani/servo,pyecs/servo,dati91/servo,zentner-kyle/servo,tafia/servo,SimonSapin/servo,nrc/servo,youprofit/servo,ConnorGBrewster/servo,fiji-flo/servo,caldwell/servo,eddyb/servo,dati91/servo,avadacatavra/servo,CJ8664/servo,KiChjang/servo,nerith/servo,aweinstock314/servo,saneyuki/servo,nnethercote/servo,saneyuki/servo,aidanhs/servo,dagnir/servo,larsbergstrom/servo,dhananjay92/servo,walac/servo,eddyb/servo,dhananjay92/servo