only turn on sauce_connect for jobs that need it (I think)

.travis.yml

@@ -15,25 +15,39 @@ env:
   matrix:
     - TEST_COMMAND="npm test"
 
-addons:
-  sauce_connect: true
 
 matrix:
   include:
     - env: JASMINE_BROWSER="phantomjs" USE_SAUCE=false
     - env: JASMINE_BROWSER="firefox" SAUCE_BROWSER_VERSION='' SAUCE_OS="Linux"
       if: type != pull_request
+      addons:
+        sauce_connect: true
     - env: JASMINE_BROWSER="chrome" SAUCE_BROWSER_VERSION='' SAUCE_OS="Linux"
       if: type != pull_request
+      addons:
+        sauce_connect: true
     - env: JASMINE_BROWSER="safari" SAUCE_BROWSER_VERSION="10" SAUCE_OS="OS X 10.12"
       if: type != pull_request
+      addons:
+        sauce_connect: true
     - env: JASMINE_BROWSER="safari" SAUCE_BROWSER_VERSION="9" SAUCE_OS="OS X 10.11"
       if: type != pull_request
+      addons:
+        sauce_connect: true
     - env: JASMINE_BROWSER="safari" SAUCE_BROWSER_VERSION="8" SAUCE_OS="OS X 10.10"
       if: type != pull_request
+      addons:
+        sauce_connect: true
     - env: JASMINE_BROWSER="MicrosoftEdge" SAUCE_BROWSER_VERSION="15" SAUCE_OS="Windows 10"
       if: type != pull_request
+      addons:
+        sauce_connect: true
     - env: JASMINE_BROWSER="internet explorer" SAUCE_BROWSER_VERSION=11 SAUCE_OS="Windows 8.1"
       if: type != pull_request
+      addons:
+        sauce_connect: true
     - env: JASMINE_BROWSER="internet explorer" SAUCE_BROWSER_VERSION=10 SAUCE_OS="Windows 8"
       if: type != pull_request
+      addons:
+        sauce_connect: true