MDL-25655 glossary: non full searches now working.
MDL-25655 glossary: non full searches now working.

In the process of updting the module from 1.9 to
2.0 the (non) full search feature was lost without notice.

This restitutes it with the same behavior present in 1.9:

- fullsearch disabled: look into concepts and aliases.
- fullsearch enabled (default): look also into definitions.

dilawar/moodle