added the captcha in the settings #93
added the captcha #93
 method to read the captcha #93
 added the script for captcha to show #93
 the captcha app #93
added rating method to user and a rating class
view post rate seller function still under construction
 updating models and views
 added the configuration for sending emails
models updated
views updated
added the view method for sending confirmation code #93
added the form for the verfication of the email  process #93
removed expire date i dont need it anymore #93
added url for conformation email #93
added def Buyer_Identification which renders the Buyeridentification form in forms.py
Merge pull request #126 from DinaSaad/c1_Tharwat_Sprint1

C1 tharwat sprint1 #101 #102
added a javascript for passwrod strenght#93
verify button after pasting the link #93
updating Buyer_identification function in order to render the form from add_buyer html #104