Refactor alert templates to use Laravel Blade templating engine (#8803)

* Initial start on new templating support

* further updates

* more updates

* More working version

* Last fixes

* Small updates

* modified test to look for dbname.

* Schema update

* Added fix for not being able to disable Philips Hue transport

* Updated sql file

* Updated db_schema

* Set myclabs/deep-copy to be 1.7.x version in composer

* Fixes from murrant

* Forced nikic/php-parser to version 3.1.x in composer

* Updated composer to use custom fork of string-blade-compiler + fixed transport use

* Updated to always use correct template

* Merged legacy and blade templating engines

* Removed template type + fixed test-alert.php

* Added more template placeholders

* Added ability to reference data in templates as $alert->X

* Updated docs for templates

* Updated db_schema.yaml

* Added $alert->builder

* Clarify the use of $alert->builder

* Fixed the use of $alert->transport

* renamed schema file

* Added template validation

* Small update to fix travis issue

* Add Docs text to title bar

* Updated amqp to new of version

* Consistency in alert rule and template title bars

alerts.php

@@ -27,7 +27,7 @@
 
 use LibreNMS\Util\FileLock;
 
-$init_modules = array('alerts');
+$init_modules = ['alerts', 'alerts-cli'];
 require __DIR__ . '/includes/init.php';
 
 $options = getopt('d::');