Codeignitor 3.1.6 and corresponding changes

- fixes missing () from num_rows in authenticate user function
- removes passwordhash library in favor of built in PHP password_hash
  and password_verify functions
- uppercase all class filenames
- add new CLI error templates, move HTML error templates
- update mimes file to latest version
- update routes to latest version

application/models/Search.php

@@ -0,0 +1,19 @@
+<?php
+
+class Search extends CI_Model {
+
+	function __construct()
+	{
+		parent::__construct();
+	}
+	
+	function callsign_iota($reference) {
+		$this->db->where('COL_IOTA', $reference);
+		$query = $this->db->get($this->config->item('table_name')); 
+		
+		return $query;
+	}
+
+}
+
+?>