update breadcrumb.tpl unescape the last item

The last item need to be unescape too
Merge pull request #159 from enurit/patch-1

update breadcrumb.tpl unescape the last item
fix propel type in schema file
update propel version
start update process
create new entry in config menu and not needed update page
finish update process
create sql script for migrations
complete changelog
log more events in update process
increase thelia version
add new thelia version in migration script
refactor update process. Now only available with command line
import missing namespace
update some code
check if pbject exists before deleting it
don't save order untill it's not the payment method
don't save the currentCoupons in a property. Retrieve them from the
session
update changelog
fix cs