Update to Laravel 5.7 (PHP 7.3 support) (#9800)

* Move assets to 5.7 location

* Add 5.7 SVGs

* add cache data dir

* update QUEUE_DRIVER -> QUEUE_CONNECTION

* Update trusted proxy config

* update composer.json

* 5.5 command loading

* @php and @endphp can't be inline

* Laravel 5.6 logging, Nice!

* Update blade directives

* improved redirects

* remove unneeded service providers

* Improved debugbar loading

* no need to emulate renderable exceptions anymore

* merge updated 5.7 files (WIP)

* Enable CSRF

* database_path() call causes issue in init.php

* fix old testcase name

* generic phpunit 7 fixes

* add missed file_get_contents
Keep migrations table content

* fix duplicate key

* Drop old php versions from travis-ci

* remove hhvm

* fix code climate message

* remove use of deprecated function assertInternalType

* Disable CSRF, we'll enable it separately.
All forms need to be updated to work.

* Update document references

config/debugbar.php

@@ -10,11 +10,13 @@ return [
      | Debugbar is enabled by default, when debug is set to true in app.php.
      | You can override the value by setting enable to true or false instead of null.
      |
+     | You can provide an array of URI's that must be ignored (eg. 'api/*')
+     |
      */
 
     'enabled' => env('DEBUGBAR_ENABLED', null),
     'except' => [
-        'api*' // won't work until DebugBar 3.*
+        'api*'
     ],
 
     /*
@@ -119,6 +121,7 @@ return [
         'logs'            => false, // Add the latest log messages
         'files'           => false, // Show the included files
         'config'          => false, // Display config settings
+        'cache'           => false, // Display cache events
     ],
 
     /*
@@ -140,7 +143,7 @@ return [
             'timeline'          => false,  // Add the queries to the timeline
             'explain' => [                 // Show EXPLAIN output on queries
                 'enabled' => false,
-                'types' => ['SELECT'],     // ['SELECT', 'INSERT', 'UPDATE', 'DELETE']; for MySQL 5.6.3+
+                'types' => ['SELECT'],     // // workaround ['SELECT'] only. https://github.com/barryvdh/laravel-debugbar/issues/888 ['SELECT', 'INSERT', 'UPDATE', 'DELETE']; for MySQL 5.6.3+
             ],
             'hints'             => true,    // Show hints for common mistakes
         ],
@@ -156,6 +159,9 @@ return [
         'logs' => [
             'file' => null
         ],
+        'cache' => [
+            'values' => true // collect cache values
+        ],
     ],
 
     /*