(#2492) - fast fail in travis
(#2492) - fast fail in travis

This will ensure that our "allowed failures" don't run
if any of the non-"allowed failures" fails.

So e.g. if PhantomJS fails, we won't bother running
the Safari/iPhone builds.

HospitalRun/pouchdb,HospitalRun/pouchdb,greyhwndz/pouchdb,janraasch/pouchdb,johnofkorea/pouchdb,mattbailey/pouchdb,adamvert/pouchdb,nickcolley/pouchdb,johnofkorea/pouchdb,janl/pouchdb,slang800/pouchdb,tyler-johnson/pouchdb,colinskow/pouchdb,evidenceprime/pouchdb,cdaringe/pouchdb,cdaringe/pouchdb,tohagan/pouchdb,bbenezech/pouchdb,ramdhavepreetam/pouchdb,garrensmith/pouchdb,marcusandre/pouchdb,shimaore/pouchdb,garrensmith/pouchdb,johnofkorea/pouchdb,h4ki/pouchdb,ramdhavepreetam/pouchdb,pouchdb/pouchdb,KlausTrainer/pouchdb,optikfluffel/pouchdb,shimaore/pouchdb,janl/pouchdb,TechnicalPursuit/pouchdb,jhs/pouchdb,janraasch/pouchdb,ntwcklng/pouchdb,elkingtonmcb/pouchdb,mwksl/pouchdb,garrensmith/pouchdb,jhs/pouchdb,seigel/pouchdb,p5150j/pouchdb,lukevanhorn/pouchdb,Knowledge-OTP/pouchdb,bbenezech/pouchdb,h4ki/pouchdb,callahanchris/pouchdb,bbenezech/pouchdb,lukevanhorn/pouchdb,mwksl/pouchdb,microlv/pouchdb,adamvert/pouchdb,nickcolley/pouchdb,Knowledge-OTP/pouchdb,Charlotteis/pouchdb,KlausTrainer/pouchdb,mattbailey/pouchdb,shimaore/pouchdb,lakhansamani/pouchdb,p5150j/pouchdb,willholley/pouchdb,TechnicalPursuit/pouchdb,asmiller/pouchdb,callahanchris/pouchdb,janraasch/pouchdb,ramdhavepreetam/pouchdb,optikfluffel/pouchdb,daleharvey/pouchdb,daleharvey/pouchdb,janl/pouchdb,crissdev/pouchdb,mattbailey/pouchdb,slang800/pouchdb,elkingtonmcb/pouchdb,colinskow/pouchdb,mikeymckay/pouchdb,Charlotteis/pouchdb,ntwcklng/pouchdb,patrickgrey/pouchdb,cesarmarinhorj/pouchdb,mwksl/pouchdb,mainerror/pouchdb,KlausTrainer/pouchdb,cesarmarinhorj/pouchdb,cshum/pouchdb,willholley/pouchdb,greyhwndz/pouchdb,Actonate/pouchdb,callahanchris/pouchdb,crissdev/pouchdb,colinskow/pouchdb,elkingtonmcb/pouchdb,pouchdb/pouchdb,marcusandre/pouchdb,microlv/pouchdb,seigel/pouchdb,adamvert/pouchdb,tyler-johnson/pouchdb,TechnicalPursuit/pouchdb,HospitalRun/pouchdb,patrickgrey/pouchdb,microlv/pouchdb,p5150j/pouchdb,asmiller/pouchdb,h4ki/pouchdb,lukevanhorn/pouchdb,mainerror/pouchdb,Dashed/pouchdb,daleharvey/pouchdb,cshum/pouchdb,optikfluffel/pouchdb,tohagan/pouchdb,yaronyg/pouchdb,yaronyg/pouchdb,tyler-johnson/pouchdb,cshum/pouchdb,Knowledge-OTP/pouchdb,willholley/pouchdb,mikeymckay/pouchdb,nicolasbrugneaux/pouchdb,ntwcklng/pouchdb,nicolasbrugneaux/pouchdb,pouchdb/pouchdb,seigel/pouchdb,jhs/pouchdb,Dashed/pouchdb,lakhansamani/pouchdb,yaronyg/pouchdb,tohagan/pouchdb,patrickgrey/pouchdb,Dashed/pouchdb,nickcolley/pouchdb,greyhwndz/pouchdb,Actonate/pouchdb,Charlotteis/pouchdb,cesarmarinhorj/pouchdb,nicolasbrugneaux/pouchdb,mainerror/pouchdb,Actonate/pouchdb,lakhansamani/pouchdb,cdaringe/pouchdb,marcusandre/pouchdb,slang800/pouchdb,mikeymckay/pouchdb,crissdev/pouchdb,asmiller/pouchdb