travis: use "include" syntax, so that Node.js is tested

i.e. there's one test case where no BROWSER_NAME
and BROWSER_VERSION env variables get set, and
in that case Node.js + jsdom are used for testing.

Author: TooTallNate

.travis.yml

@@ -5,25 +5,47 @@ env:
   global:
   - secure: eRmHnvPXF3cijoiS1wHgfmhuxsDvxtP9kFdvkaSjTIskdmKknDFjbEor0wUZ0HaIswCI3C0TBVRlFaZ9TPKstE4/bxryGCqAs9eejOlu2Dsg89qdyXeB57JR6wDH1xcTqg9lQp2uqIFC5/PnJ+NJaKv0/IsLDkdNld/h8BcOiWw=
   - secure: iViC0nxnyDsCTRfcCryiVpt9YqM/eERcoCak4DIgj5P3kMWSiyfOZnmOP5GWwuZHGDnz3AGtGlS+6NSzlTv0juzZgvgpSYE1nEHrNBl9yxqfnqrsLLJBCX85fZOK0Ft9OM5+mIX6T9EQ3VrHbTIZQM2/LoCN029EpnOcHPkc3+s=
-  matrix:
-  - BROWSER_NAME=chrome BROWSER_VERSION=latest
-  - BROWSER_NAME=chrome BROWSER_VERSION=35
-  - BROWSER_NAME=chrome BROWSER_VERSION=34
-  - BROWSER_NAME=firefox BROWSER_VERSION=latest
-  - BROWSER_NAME=firefox BROWSER_VERSION=30
-  - BROWSER_NAME=firefox BROWSER_VERSION=29
-  - BROWSER_NAME=opera BROWSER_VERSION=latest
-  - BROWSER_NAME=opera BROWSER_VERSION=11
-  - BROWSER_NAME=safari BROWSER_VERSION=latest
-  - BROWSER_NAME=safari BROWSER_VERSION=7
-  - BROWSER_NAME=safari BROWSER_VERSION=6
-  - BROWSER_NAME=safari BROWSER_VERSION=5
-  - BROWSER_NAME=ie BROWSER_VERSION=11
-  - BROWSER_NAME=ie BROWSER_VERSION=10
-  - BROWSER_NAME=ie BROWSER_VERSION=9
-  - BROWSER_NAME=ie BROWSER_VERSION=8
-  - BROWSER_NAME=ie BROWSER_VERSION=7
-  - BROWSER_NAME=ie BROWSER_VERSION=6
-  - BROWSER_NAME=iphone BROWSER_VERSION=7.1
-  - BROWSER_NAME=iphone BROWSER_VERSION=7.0
-  - BROWSER_NAME=iphone BROWSER_VERSION=5.0
+matrix:
+  include:
+  - node_js: '0.10'
+    env: BROWSER_NAME=chrome BROWSER_VERSION=latest
+  - node_js: '0.10'
+    env: BROWSER_NAME=chrome BROWSER_VERSION=35
+  - node_js: '0.10'
+    env: BROWSER_NAME=chrome BROWSER_VERSION=34
+  - node_js: '0.10'
+    env: BROWSER_NAME=firefox BROWSER_VERSION=latest
+  - node_js: '0.10'
+    env: BROWSER_NAME=firefox BROWSER_VERSION=30
+  - node_js: '0.10'
+    env: BROWSER_NAME=firefox BROWSER_VERSION=29
+  - node_js: '0.10'
+    env: BROWSER_NAME=opera BROWSER_VERSION=latest
+  - node_js: '0.10'
+    env: BROWSER_NAME=opera BROWSER_VERSION=11
+  - node_js: '0.10'
+    env: BROWSER_NAME=safari BROWSER_VERSION=latest
+  - node_js: '0.10'
+    env: BROWSER_NAME=safari BROWSER_VERSION=7
+  - node_js: '0.10'
+    env: BROWSER_NAME=safari BROWSER_VERSION=6
+  - node_js: '0.10'
+    env: BROWSER_NAME=safari BROWSER_VERSION=5
+  - node_js: '0.10'
+    env: BROWSER_NAME=ie BROWSER_VERSION=11
+  - node_js: '0.10'
+    env: BROWSER_NAME=ie BROWSER_VERSION=10
+  - node_js: '0.10'
+    env: BROWSER_NAME=ie BROWSER_VERSION=9
+  - node_js: '0.10'
+    env: BROWSER_NAME=ie BROWSER_VERSION=8
+  - node_js: '0.10'
+    env: BROWSER_NAME=ie BROWSER_VERSION=7
+  - node_js: '0.10'
+    env: BROWSER_NAME=ie BROWSER_VERSION=6
+  - node_js: '0.10'
+    env: BROWSER_NAME=iphone BROWSER_VERSION=7.1
+  - node_js: '0.10'
+    env: BROWSER_NAME=iphone BROWSER_VERSION=7.0
+  - node_js: '0.10'
+    env: BROWSER_NAME=iphone BROWSER_VERSION=5.0