added cryptstorage with tests

Gruntfile.js

@@ -180,6 +180,7 @@ module.exports = function (grunt) {
           'src/jio.storage/memorystorage.js',
           'src/jio.storage/localstorage.js',
           'src/jio.storage/zipstorage.js',
+          'src/jio.storage/cryptstorage.js',
           'src/jio.storage/dropboxstorage.js',
           'src/jio.storage/davstorage.js',
           'src/jio.storage/unionstorage.js',

test/tests.html

@@ -42,6 +42,7 @@
   <script src="jio.storage/shastorage.tests.js"></script>
 
   <!--script src="jio.storage/indexstorage.tests.js"></script-->
+  <script src="jio.storage/cryptstorage.tests.js"></script>
   <script src="jio.storage/dropboxstorage.tests.js"></script>
   <script src="jio.storage/zipstorage.tests.js"></script>