Add observer for custom_quote_process

Start to see if we can remove the quote information when changing shop
with a quote in the session.
Remove item from quote

Remove the item from the quote when b2b helper checks the active value.
Remove links on invalid cart

When the quote in the cart contains atleast one invalid product then
remove links to payment.
Remove price section of cart item
Remove actions and prices from side cart

Remove the action and totals from the side cart and replace with the set
message.
Replace price with the b2b price message
Check the predispatch for checkout actions
Add error message on cart page with invalid cart
Replace html in phtml files and not observers

Move the cart item and total price replacement to be done via template
files rather than in an observer.
Add check on product id for cart item
Remove the need for rewriting templates

Set-up the admin config allowing the user to choose to remove sections
of the site and how to identify each section.
Add translations for the admin config values
Merge branch 'shopping-cart'
Merge branch 'master' of https://github.com/sitewards/B2BProfessional