update sha.js to 2.1.1

Author: dominictarr

package.json

@@ -15,13 +15,13 @@
     "node": "*"
   },
   "dependencies": {
-    "sha.js": "1.3.0"
+    "sha.js": "2.1.0"
   },
   "devDependencies": {
     "tape": "~2.3.2"
   },
   "testling": {
-    "files": "test/browser.js",
+    "files": "test/{create-hash,create-hmac,simple}.js",
     "browsers": [
       "ie/8..latest",
       "chrome/20..latest",