made bower license field valid

Taylor Savage · web-flow · commit b719c143ff4d · 2016-09-28T10:40:58.000-07:00
diff --git a/bower.json b/bower.json
@@ -8,7 +8,7 @@
     "Scott Miles <sjmiles@google.com>",
     "Eric Bidelman <ebidel@gmail.com>"
   ],
-  "license": "Apache2",
+  "license": "Apache-2.0",
   "ignore": [
     "/.*",
     "/test/"
