add outcome path portal type and default outcome path on campaign
Rename "Event Path" tab on campaign to "Details"

This tab will also display outcome and expense paths
Business Template: Remove obsolete properties

Alias properties with storage id are enough, we don't need to declare those
properties.
don't use deprecated portal_ids API and call setters instead of edit

Because edit adds a line in workflow_history
ProxyField was not using the same request than listbox

This is a quick workaround, the main problem is that get_request is monkey
patched to use a completly different implementation in tests, and in some cases
this monkey patch is not properly applied.