Functionality changes:
  * deleteAttachment now triggers MEDIA_DELETE_FILE (closes FS#1568)
  * deletion success msg in mediamanager is correct, even when the ns dir
    was deleted
  * media_delete changed quite a bit

I also adjusted the coding style to match our other JS classes

As discussed on the mailing list [1] this patch replaces the
COMMON_PAGE_FROMTEMPLATE with a more flexible event to better intercept page
template use.

Plugin authors need to change their plugins. Details on the event are
available at [2]

[1] http://www.freelists.org/post/dokuwiki/COMMON-PAGE-FROMTEMPLATE-event
[2] http://www.dokuwiki.org/devel:event:common_pagetpl_load

When a <select> tag has the class "quickselect", this script will
automatically submit its parent form when the select value changes.
It also hides the submit button of the form.

This patch allows to use the placeholders in the search intro message that
will be replaced with the search term.

@SEARCH@ will be replaced with the search query
@QUERY@  will be replaced with the URL encoded search query for use in URL
         parameters

Please note that the replacement is don't on the XHTML *after* parsing and
rendering the intro wiki text. This means you can not use the query where
an ID would be expected.

Examples:

  This will work:
    [[http://www.google.com/search?q=@QUERY@|Google for @SEARCH@]].

  This will not work and will link to the page "search" instead:
    [[@SEARCH@|Your page]].

  You could use this instead:
    [[this>doku.php?id=@QUERY@|Your page]].

This patch supresses a warning in the adLDAP library when a password
change is attempted but fails due to the configured Active Directory
Password Policy. Instead of the error an Exception is thrown.

This change probably needs to be replicated in the user modification
function.

Patch sent to upstream.

this splits the long auth_cryptPassword() function into many member
functions of a new class PassHash which should make it more
maintainable and reusable for other projects.

This also adds two new methods djangomd5 and djangosha1 as used by the
popular python framework Django.

Maybe the auth_cryptPassword() and auth_verifyPassword() functions
should be deprecated in favor of using the class directly?