Small css tweak In the single Tournament view
Composer update pulled in most recent versions of all dependencies; Ran Composer selfupdate as well
Redesigned the frontend Single Tournament view to work with Yii2 Widget instead of raw html
Updated several backend pages, Tournament GridView among them
Created toolbox folder under frontend\controllers\toolbox and added TournamentTool class for use with the front-end Tournament Controller, before the model is pushed into the views.
Created several partial view files to be embedded into the main Single Tournament View