begin implementation of anonymous order view
Merge branch 'master' into anon-order
rename to showorder
wrap in form
refactor yafowil form handling. display order, but no email check yet.
add errors to IStatusMessage
dont show exported in anonymous order view
changenote
use same template for auth and order
use zope2.view at the moment
allow req parameters in @@showorder, e.g. for mailings
rename order_auth, which isnt the best name
display @@showorder form in table layout
submit button optz
add link to @@showorder to all mail templates
add vieworder permission to protect @@showorder
re-change to Authenticated and document the use case, why authenticated is used as role for these permissions.
rename perm `View Order` to `View Order Directly`
Change browser view and adapter regitrations from IPloneSiteRoot to
  . That's needed for Lineage compatibility.
checkout adapter must be placeless, so thats ok!