Update to PHP 8.1 and fix qr codes (#228)

* Update things to php 8.1

* fixed usort function

* Updated more stuff for php 8.1

* Fix space before link text in footer

* Updated composer file to actually use php 8.1 and updated packages

* Fix blank screen of death

* WIP qrcode builder

* Moved cached qrcodes to tmp directory

* Added modal for qr-codes

* Fix database issues

* Added avatar job queue

* moved service from pm2 to systemd

* Updated service

* Fix job creation to work with more than just me

* Remove stank

* Removed duplicate slash

Author: tommyneu

composer.json

@@ -1,9 +1,4 @@
 {
-  "config": {
-    "platform": {
-      "php": "5.6.1"
-    }
-  },
   "autoload": {
     "psr-0": {
       "UNL": "src/"
@@ -20,17 +15,16 @@
     }
   ],
   "require": {
-    "saltybeagle/savvy": "^0.9.0",
+    "unl/savvy": "1.0.0",
     "unl/unl_cache_lite": "0.1.*",
     "unl/common": "0.6.*",
-    "unl/php-wdn-templates": "^5.3",
+    "unl/php-wdn-templates": "5.3.6",
     "guzzlehttp/guzzle": "~6.0",
     "jasig/phpcas": "1.3.x-dev",
-    "swiftmailer/swiftmailer": "^5.4",
     "slim/csrf": "^0.8.2",
-    "deruli/html-minifier": "^0.5.1"
+    "endroid/qr-code": "*"
   },
   "require-dev": {
-    "phpunit/phpunit": "5.7"
+    "phpunit/phpunit": "^10.5.27"
   }
 }