Superadmin file changes

Every location will have single entry in DB, we can define multiple contexts now.

Admin will have only one location with multiple contexts
Function definition changed to GET OU.

All we need now is just location primary key ID.. :)

Login redirection also changed (Huh this is third time) ;)
List of all employees from AD for a particular location of admin
Merge branch 'HZ-himanshu' into HZ-main
Merge branch 'HZ-msoni' into HZ-main
Fixing manager email value.

We were missing adldapinfo here in array

Be aware for future changes!!
Merge branch 'HZ-msoni' into HZ-main
redirect.php: Redirect to login page if ldap not defined and no entry of ldap in database
Get employee details when emp username submitted in IT ASSET FORM
admin/getrequest.php : Asset code fixed.
mail_sender.php : rejection reason removed
request.js : addition of receiver employee to employee table
processor_for_user.php: addition of receiver employee to employee table
response.php :rejection reason removed
transfer_request.php addition of receiver employee to employee table
tresponse.php :rejection reason removed
userassetForm.php : asset code auto populated
admin/addIPAddress.php : add ip adress form
js/extra.js : js for add ip adress
admin/processor_extra.php : backend handler for add ip NOT COMPLETED.