Updated install.sh using pushd and popd

sails/install.sh

+#!/bin/bash
+
 # Nodejs install
 sudo apt-get update
 sudo apt-get install -y python-software-properties python g++ make
@@ -17,13 +19,17 @@ touch ./src/logs/my_log_file.log
 mkdir -p ./upload
 
 # Server dependencies installation
-cd ./src && npm install
+pushd ./src
+npm install
+popd
 
 # Copy sails.io.js
-cd /tmp && \
-  rm -rf sailstempapp && \
-  sails new sailstempapp &&
-cp /tmp/sailstempapp/assets/js/dependecies/sails.io.js ./src/assets/app/js/lib/sails.io.js
+pushd /tmp
+rm -rf sailstempapp
+sails new sailstempapp
+popd
+mkdir -p ./src/assets/app/js/lib/
+cp /tmp/sailstempapp/assets/js/dependencies/sails.io.js ./src/assets/app/js/lib/
 rm -rf /tmp/sailstempapp
 
 # Link configuration file
@@ -32,4 +38,6 @@ ln ./conf/js/local.js ./src/assets/app/js/local.js
 
 # Client dependencies installation
 sudo npm install -g bower
-cd ./src/assets/app && bower install
+pushd ./src/assets/app
+bower install
+popd