feat(client): show error if no adapter is included
feat(client): show error if no adapter is included

Before this fix, Karma would just execute "an empty" test suite. The next run would however end up with an exception (Property "start" is not a function).

This should make it easier to understand.

thomasboyt/karma,vtsvang/karma,KrekkieD/karma,SamuelMarks/karma,buley/karma,KrekkieD/karma,jeffjewiss/karma,vtsvang/karma,oyiptong/karma,youprofit/karma,jsdir/karma,powerkid/karma,skycocker/karma,patrickporto/karma,behzad88/karma,Dignifiedquire/karma,johnjbarton/karma,viruschidai/karma,clbond/karma,rgaskill/karma,shirish87/karma,shirish87/karma,panrafal/karma,rageshkrishna/karma,r3mi/karma,buley/karma,chrisirhc/karma,igorlima/karma,stevemao/karma,patrickporto/karma,karma-runner/karma,tomkuk/karma,unional/karma,kahwee/karma,rgaskill/karma,stevemao/karma,IsaacChapman/karma,jjoos/karma,Klaudit/karma,OniOni/karma,vojtajina/karma,growlybear/karma,pedrosnk/karma,mprobst/karma,jeffjewiss/karma,panrafal/karma,jan-molak/karma,codedogfish/karma,karma-runner/karma,jamestalmage/karma,ijobling/karma,marcodejongh/karma,amagee/karma,wesleycho/karma,harme199497/karma,IsaacChapman/karma,karma-runner/karma,adamnation/karma,rgaskill/karma,oyiptong/karma,gayancliyanage/karma,andersjanmyr/karma,buley/karma,Klaudit/karma,tomkuk/karma,SamuelMarks/karma,IveWong/karma,growlybear/karma,IsaacChapman/karma,simudream/karma,jeffjewiss/karma,skycocker/karma,robdodson/karma,tomkuk/karma,unional/karma,aiboy/karma,codedogfish/karma,yandex-lego/karma,Klaudit/karma,sylvain-hamel/karma,fivetanley/karma,hitesh97/karma,Dignifiedquire/karma,behzad88/karma,dmitriiabramov/karma,clbond/karma,rhlass/karma,marthinus-engelbrecht/karma,rhlass/karma,gayancliyanage/karma,bertrandgressier/karma,eddiemonge/karma,Dignifiedquire/karma,oyiptong/karma,pedrotcaraujo/karma,david-garcia-nete/karma,Sanjo/karma,KrekkieD/karma,jsdir/karma,chrisirhc/karma,youprofit/karma,harme199497/karma,chrisirhc/karma,astorije/karma,andersjanmyr/karma,gdi2290/karma,adamnation/karma,revolunet/karma,r3mi/karma,brianmhunt/karma,pedrosnk/karma,clbond/karma,lgalfaso/karma,marthinus-engelbrecht/karma,amagee/karma,WickyNilliams/karma,unional/karma,pedrotcaraujo/karma,bertrandgressier/karma,cironunes/karma,johnjbarton/karma,sylvain-hamel/karma,nmalaguti/karma,gayancliyanage/karma,ernsheong/karma,OniOni/karma,ijobling/karma,jjoos/karma,aiboy/karma,astorije/karma,wesleycho/karma,pmq20/karma,oyiptong/karma,gayancliyanage/karma,xiaoking/karma,adamnation/karma,johnjbarton/karma,swayf/karma,Sanjo/karma,brianmhunt/karma,yandex-lego/karma,clbond/karma,patrickporto/karma,maksimr/karma,marthinus-engelbrecht/karma,czchen/karma,vojtajina/karma,kahwee/karma,xiaoking/karma,eddiemonge/karma,matti/karma,astorije/karma,codedogfish/karma,timebackzhou/karma,pedrosnk/karma,wesleycho/karma,nmalaguti/karma,harme199497/karma,wesleycho/karma,fivetanley/karma,yandex-lego/karma,johnjbarton/karma,cironunes/karma,timebackzhou/karma,hitesh97/karma,buley/karma,jjoos/karma,behzad88/karma,drkibitz/karma,czchen/karma,nmalaguti/karma,vtsvang/karma,jamestalmage/karma,IveWong/karma,kahwee/karma,igorlima/karma,bitwiseman/karma,nmalaguti/karma,aiboy/karma,pmq20/karma,harme199497/karma,mprobst/karma,youprofit/karma,ijobling/karma,powerkid/karma,lencioni/karma,Klaudit/karma,marcodejongh/karma,lencioni/karma,vtsvang/karma,simudream/karma,jsdir/karma,pedrotcaraujo/karma,hitesh97/karma,lencioni/karma,youprofit/karma,karma-runner/karma,lgalfaso/karma,Basemm/karma,revolunet/karma,maksimr/karma,matti/karma,jjoos/karma,dmitriiabramov/karma,mprobst/karma,Dignifiedquire/karma,powerkid/karma,xiaoking/karma,hitesh97/karma,drkibitz/karma,simudream/karma,ernsheong/karma,timebackzhou/karma,rhlass/karma,pmq20/karma,stevemao/karma,pmq20/karma,unional/karma,vojtajina/karma,bitwiseman/karma,gdi2290/karma,aiboy/karma,pedrotcaraujo/karma,jamestalmage/karma,IveWong/karma,jan-molak/karma,jamestalmage/karma,timebackzhou/karma,rageshkrishna/karma,Sanjo/karma,astorije/karma,marthinus-engelbrecht/karma,jacopotarantino/karma,IveWong/karma,dmitriiabramov/karma,KrekkieD/karma,viruschidai/karma,jacopotarantino/karma,rageshkrishna/karma,chrisirhc/karma,patrickporto/karma,skycocker/karma,panrafal/karma,brianmhunt/karma,brianmhunt/karma,stevemao/karma,swayf/karma,IsaacChapman/karma,Basemm/karma,xiaoking/karma,david-garcia-nete/karma,rhlass/karma,WickyNilliams/karma,powerkid/karma,kahwee/karma,robdodson/karma,Sanjo/karma,codedogfish/karma,david-garcia-nete/karma,simudream/karma,SamuelMarks/karma,tomkuk/karma,ernsheong/karma,bitwiseman/karma,shirish87/karma,maksimr/karma,sylvain-hamel/karma,thomasboyt/karma,skycocker/karma,growlybear/karma