[XFA] Tournament - XF2 6.0.0

Corrected bugs:

• Error upon uninstall An exception occurred: [Error] Call to undefined method XF\Db\Schema\Alter::dropColumn() in src/addons/XFA/Tournament/Install/Uninstall.php on line 32
• New alert sent to all users even to those where get new alert permission is not set

Corrected bugs:

• Single elimination bracket doesn't show on match generation page
• Round robin tournament winner awarded before end

Modifications:

• Few phrases changes
• Highlighting of closing date and winner elements in tournaments list (css - style properties based)
• Style properties to tweak even further the bracket tournament type display

Corrected bugs:

• Single elimination bracket doesn't show after last upgrade
• Winner got assigned before matches end in single and double elimination
• Tournaments seems to be missing in categories

Corrected bugs:

• ErrorException: [E_NOTICE] Undefined offset: 0 in src/addons/XFA/Tournament/Entity/Bracket.php at line 41 when generating Single elimination with consolation matches
• Incorrect winner award in some case for double elimination tournaments
• Category tournament count incremented and last update not changed after Tournament deletion

Corrected bugs:

• InvalidArgumentException: Column definition 'catgory_description' does not exist therefore it cannot be changed. src/XF/Db/Schema/Column.php:414
• User can register twice to a tournament

Corrected bugs:

• Bracket sometimes does not appear upon page load
• Empty participants list tab in free input and team tournaments
• ErrorException: [E_NOTICE] Undefined offset: 0 src/addons/XFA/Tournament/Entity/Bracket.php:71 when selecting a winner that had first match without oponent

Modifications:

• Styling of brackets is now style property based

Corrected bugs:

• Upon install XF\Db\Exception: MySQL statement prepare error [1054]: Unknown column 'category_title' in 'field list' in src/XF/Db/AbstractStatement.php at line 212