Restore node testing on Travis (for Ubuntu Trusty)

.travis.yml

@@ -49,10 +49,11 @@ matrix:
       env: SWIGLANG=java
       sudo: required
       dist: trusty
-#    - compiler: gcc
-#      os: linux
-#      env: SWIGLANG=javascript ENGINE=node
-#      dist: trusty
+    - compiler: gcc
+      os: linux
+      env: SWIGLANG=javascript ENGINE=node
+      sudo: required
+      dist: trusty
     - compiler: gcc
       os: linux
       env: SWIGLANG=javascript ENGINE=jsc

Tools/travis-linux-install.sh

@@ -33,10 +33,7 @@ case "$SWIGLANG" in
 	"javascript")
 		case "$ENGINE" in
 			"node")
-				travis_retry sudo add-apt-repository -y ppa:chris-lea/node.js
-				travis_retry sudo apt-get -qq update
-				travis_retry sudo apt-get install -qq nodejs rlwrap
-				travis_retry sudo npm install -g node-gyp
+				travis_retry sudo apt-get install -qq nodejs node-gyp
 				;;
 			"jsc")
 				travis_retry sudo apt-get install -qq libwebkitgtk-dev