trainee test functions; changed select dropdowns to input datalists; minor UI fixes/changes to admin/users and trainee; added DataTables plugin for useful table functions (ex. admin/user/view_all)
Merge branch 'sidebar' of https://github.com/kevcal69/ssco_mbl.git into sidebar

Conflicts:
	application/helpers/output_text_helper.php
	application/models/question_model.php
	assets/javascripts/app.js