Launch Sauce Connect through Travis

This commit makes Travis launch sauce connect, instead of
using karma to start Sauce Connect

.travis.yml

@@ -14,3 +14,5 @@ env:
   - secure: QE5GqGd2hrpQsIgd8dlv3oRUUHqZayomzzQjNXOB81VQi241uz/ru+3GtBZLB5WLZCq/Gj89vbLnR0LN4ixlmPaWv3/WJQGyDGuRD/vMnccVl+rBUP/Hh2zdYwiISIGcrywNAE+KLus/lyt/ahVgzbaRaDSzrM1HaZFT/rndGck=
   - secure: g75sdctEwj0hoLW0Y08Tdv8s5scNzplB6a9EtaJ2vJD9S/bK+AsPqbWesGv1UlrFPCWdbV7Vg61vkmoUjcmb5xhqFIjcM9TlYJoKWeOTsOmnQoSIkIq6gMF1k02+LmKInbPgIzrp3m3jluS1qaOs/EzFpDnJp9hWBiAfXa12Jxk=
 before_script: npm install -g karma-cli
+addons:
+  sauce_connect: true

karma.conf.js

@@ -188,7 +188,7 @@ module.exports = function(config) {
     my_conf.captureTimeout = 0; // use SL timeout
     my_conf.sauceLabs = {
       testName: 'noVNC Tests (all)',
-      startConnect: true,
+      startConnect: false,
       tunnelIdentifier: process.env.TRAVIS_JOB_NUMBER
     };
   }