application: refactor version checks, move to ApplicationUtils

Relates to #372

Modifications:
 - move checkUpdate() to ApplicationUtils
 - reduce file I/O operations during version checks
 - apply coding conventions
 - add test coverage

Tools:
 - create a sandbox directory for tests

Signed-off-by: VirtualTam <virtualtam@flibidi.net>

1 files changed, 1 insertions, 1 deletions

diff --git a/tests/LinkDBTest.php b/tests/LinkDBTest.php
index ff917f6d..7b22b270 100644
--- a/tests/LinkDBTest.php
+++ b/tests/LinkDBTest.php
@@ -16,7 +16,7 @@ require_once 'tests/utils/ReferenceLinkDB.php';
 class LinkDBTest extends PHPUnit_Framework_TestCase
 {
     // datastore to test write operations
-    protected static $testDatastore = 'tests/datastore.php';
+    protected static $testDatastore = 'sandbox/datastore.php';
     protected static $refDB = null;
     protected static $publicLinkDB = null;
     protected static $privateLinkDB = null;