chore(travis): fix npm install for example app

Author: btford

.travis.yml

@@ -13,11 +13,9 @@ env:
 install:
   - mkdir -p $LOGS_DIR
   - ./scripts/sauce_connect_setup.sh
-  - npm install
   - npm install -g npm
-  - npm install -g gulp
-  - npm install -g karma-cli
-  - npm install -g protractor
+  - npm install -g gulp karma-cli protractor
+  - npm install
   - ./scripts/wait_for_browser_provider.sh
 
 script:

scripts/test_on_sauce.sh

@@ -1,11 +1,11 @@
 #! /bin/bash
-SCRIPT_DIR=$(dirname $0)
+PWD=`pwd`
 
 # install deps for this example
-cd ../examples/angular-1/confirm-unsaved
+cd ./examples/angular-1/confirm-unsaved
 npm install
 
-cd $SCRIPT_DIR/..
+cd $PWD
 
 function killServer {
   kill $serverPid