Merge pull request #1 from updownlife/master

Updating fork from the master on Oct 17
Created new page for User Account menu and added webshelf logo
Added a session variable to store user id logged in
Added html content for uploading product details and  included php code for adding the product details to the database table 'Product'.
Added html code for displaying product details and php code for fetching product details form the database
Added a function fetch_image() to the 'product' class for retrieving the image file from 'picture' table
Included style elements for sell.php, product_detail.php, footer.php
Temporary changes till the time Jacinta updates the header & footer:
1. changed the footer text from< h3> to <h5> AND 2. included the logo in header.php for the time being
Merge pull request #2 from ramyaps/master

Pushing the changes from ramyaps:fork to the updownlife:master