chore(travis): use grunt CLI in travis

Author: petebacondarwin

.travis.yml

@@ -5,6 +5,6 @@
  before_script:
   - export DISPLAY=:99.0
   - sh -e /etc/init.d/xvfb start
-  - npm install --quiet -g grunt@0.3.x testacular@0.4.x
+  - npm install --quiet -g grunt-cli testacular
 
  script: grunt

README.md

@@ -16,20 +16,20 @@ There is a common folder for libraries called lib.
 
 There is a basic grunt file that can run all the unit tests.
 
-You need to install the grunt command line globally:
+You need to install the grunt CLI and testacular globally:
 
 ```
-npm -g install grunt-cli
+npm -g install grunt-cli testacular
 ```
 
-and grunt itself locally (using the values in the package.json):
+You also need the grunt library locally (using the values in the package.json):
 
 ```
 npm install grunt
 ```
 
-Run the test task on grunt to execute all the samples' tests.
+Run grunt to check for jslint errors, generate HTML2JS templates and execute all the samples' tests.
 
 ```
-grunt.cmd test
+grunt.cmd
 ```