Default image path is now stored in config file.
Need to work on the user profile update functionality
Profile image is now getting saved. 
Just need to work on the logic to show the image on login 
and also as soon as the image is changed.
Save of file and updating of the session is now working.
Need to work on stoppin the query from firing on every page to get url of profile pic
And also deleting of the old image from system when image is changed and it's not the default image.