[ENH] Add button on the wizards first page: "Use the Tiki default settings".
The button replaces previous text, which stated that the wizard over-writes customized preferences.
Setting the detailed preferences is now moved to dedicated detail wizard pages.

git-svn-id: file:///var/local/code.tiki.org/tikisvn/trunk@47579 b456876b-0849-0410-b77d-98878d47e9d5
[DOC] note that ol and li are needed for Show More button to work


git-svn-id: file:///var/local/code.tiki.org/tikisvn/trunk@47580 b456876b-0849-0410-b77d-98878d47e9d5