Added clear activity/revision commands. Cleaned commands.

Added testing to cover each command.
Removed example laravel inspire command.
Standardised command names to be behind 'bookstack' naming.
In reference to #320.

app/Console/Commands/ClearViews.php

@@ -0,0 +1,42 @@
+<?php
+
+namespace BookStack\Console\Commands;
+
+use Illuminate\Console\Command;
+
+class ClearViews extends Command
+{
+    /**
+     * The name and signature of the console command.
+     *
+     * @var string
+     */
+    protected $signature = 'bookstack:clear-views';
+
+    /**
+     * The console command description.
+     *
+     * @var string
+     */
+    protected $description = 'Clear all view-counts for all entities.';
+
+    /**
+     * Create a new command instance.
+     *
+     */
+    public function __construct()
+    {
+        parent::__construct();
+    }
+
+    /**
+     * Execute the console command.
+     *
+     * @return mixed
+     */
+    public function handle()
+    {
+        \Views::resetAll();
+        $this->comment('Views cleared');
+    }
+}