[REF] cleanup wizard login logic
[FIX] startAdminWizard must use global base_url

git-svn-id: file:///var/local/code.tiki.org/tikisvn/trunk@47571 b456876b-0849-0410-b77d-98878d47e9d5
[FIX] The force parameter must override the admin check
[DOC] Show param type in description

git-svn-id: file:///var/local/code.tiki.org/tikisvn/trunk@47572 b456876b-0849-0410-b77d-98878d47e9d5