Multilanguage setup tips

Added some tips about using dictionary items for translating document
type labels.
Updated information about document name

Updated the information so it also mentions that names of documents can
be translated using dictionary items.
Wiki documents about membership provider
doc about user object
import user documents from wiki
Added a note to move to a new server.
Download is not on codeplex
Minor tweaks to content from Dampee
Link fix
Link in new Multi lingual docs to using umbraco section
Layout fix
Removed "move to new server" as it's very incomplete and more confusing than helpful.
Updated dll's to remove for upgrade from 4.6.1 > 4.7.1