Added installation of npm, gulp and grunt by default

Author: jasonheecs

scripts/provision/configure_environment.sh

@@ -49,4 +49,12 @@ if [[ ${use_nfs_for_synced_folders} -eq 0 ]]; then
     chmod -R 755 /var/www
 fi
 
+status "Installing js build tools"
+{
+apt-get install -y nodejs npm
+ln -s /usr/bin/nodejs /usr/bin/node
+npm install -g grunt-cli
+npm install gulp -g 
+} 2> >(logError) > >(log)
+
 decrementNestingLevel