[CSUMB-248] Make sure edit_in_place always exists in the configuration for edit_in_place chunks so we do not need to use isset in templates.
[CSUMB-248] Include all necessary files for handling chunk types every time a chunks field is processed.
[CSUMB-248] Add a definitions chunk type to the chunks_list module. Also make some minor improvements to the list chunk type.
[CSUMB-248] Allow users to input "- " before definition lines.