Update db Access.
Get downloads details using Email instead of ContactID.

git-svn-id: https://svn.eiffel.com/eiffelstudio/trunk@95986 8089f293-4706-0410-a29e-feb5c42a2edf
Improved editing (edit, rename, delete, add sub page)
Fixed various issue related to editing operation.

git-svn-id: https://svn.eiffel.com/eiffelstudio/trunk@95988 8089f293-4706-0410-a29e-feb5c42a2edf
Improved {WIKI_PAGE}.is_index_page: BOOLEAN

git-svn-id: https://svn.eiffel.com/eiffelstudio/trunk@95989 8089f293-4706-0410-a29e-feb5c42a2edf