fix LogsCollector for default daily logs naming convention in L5

Laravel 5 defaults to daily log files with the naming convention laravel-2015-04-08.log. updated getLogsFile() method to play nice with this change and default to the daily logs while falling back to the single file logs.

src/DataCollector/LogsCollector.php

@@ -24,14 +24,14 @@ public function __construct($path = null, $name = 'logs')
      */
     public function getLogsFile()
     {
-        //Default log location (single file)
-        $path = storage_path() . '/logs/laravel.log';
-
-        //Rotating logs (Laravel 4.0)
+        // default daily rotating logs (Laravel 5.0)
+        $path = storage_path() . '/logs/laravel-' . date('Y-m-d') . '.log';
+        
+        // single file logs
         if (!file_exists($path)) {
-            $path = storage_path() . '/logs/log-' . php_sapi_name() . '-' . date('Y-m-d') . '.txt';
+            $path = storage_path() . '/logs/laravel.log';
         }
-
+        
         return $path;
     }