The delegate() call is deprecated in jQuery 3. This replaces it with the
on() call.

jQuery UI replaced the buttonset widget with a controlgroup widget. This
adjusts the JavaScript and styling accordingly.

- jQuery to 3.1.1
- jQuery UI to 1.12.1
- jQuery Migrate to 3.0.0

There are a few warnigs from migrate that have to be fixed. The toggles
in the Media Manager are also missing their proper icons.

added debug prints to better figure out when LDAP has search issues.

This is a feature that was present in the old authmysql plugin. It
allows administrators to specify an SQL string that is used for explicit
password checking instead of letting DokuWiki compare the hashes. This
is useful where application implement their own salt/hashing thing.

This comes with a test case for the MyBB forum software. Dump kindly
provided by William Kitchen

This allows for more fine control over what the abilities are,
depending on the parameters used within the configured sql string.