setup changes

linux_setup_el.sh

 # Download steps
 # wget http://git.bbh.org.in/chess/elxr/raw/branch/master/linux_setup_el.sh
-# chmod +x linux_setup.sh
-# ./linux_setup.sh
+# chmod +x linux_setup_el.sh
+# ./linux_setup_el.sh
 
+# To delete all directories
+# find /path/to/your/directory -type d -exec rm -r {} +
+# find . -type d -exec rm -r {} +
 
 #STORE GIT CREDENTIALS IN CACHE
 sudo yum install git
 npm install -g loopback-cli
 
 #production A SETUP
-cd ~
 mkdir chess
 cd chess
 mkdir production_A