add tool for getting all students

tools/get_students.php

@@ -0,0 +1,24 @@
+<?php
+include '../src/osvobdoch_vars.php';
+include '../src/osvobdoch_local_vars.php';
+$metoda = "GET";
+//$cesta = "/api/dochazka/v2/nastaveni";
+$cesta = "/api/dochazka/v2/zaci";
+# cas  "2016-09-30 11:54:12.637";
+date_default_timezone_set('Europe/Prague');
+$cas= date("Y-m-d H:i:s"); 
+$data = $metoda ."+".$cesta . "+" . $cas . "+" . $apiheslo;
+$hash = hash_hmac("sha1", $data, $key, $raw_output=false);
+$auth = $apiuser . ":" . $hash;
+$ch = curl_init();
+curl_setopt($ch, CURLOPT_URL, $url.$cesta);
+curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
+curl_setopt($ch, CURLOPT_CUSTOMREQUEST, $metoda);
+curl_setopt($ch, CURLOPT_HTTPHEADER, array(
+    "com.edookit.Time: ".$cas,
+    "com.edookit.Auth: ".$auth,
+    "com.edookit.Client: ".$id
+));
+$result = curl_exec($ch);
+echo $result;
+?>