Merge pull request #1896 from anandpdoshi/anand-july-7

BugFix: selling_controller.py
sales order status bugfix, add leading / in website_image and removed send_print_in_body_and_attachment
Merge pull request #1898 from rmehta/pdf-etc

sales order status bugfix, add leading / in website_image and removed se...
Merge pull request #1899 from anandpdoshi/anand-july-7

BugFix: Maintenance Visit against Customer Issue
BugFix in Purchase Order: Validate minimum order qty using Qty in Stock UOM