release 0.5.1

Author: dfreedm

bower.json

@@ -2,13 +2,14 @@
   "name": "paper-button",
   "private": true,
   "dependencies": {
-    "polymer": "Polymer/polymer#master",
-    "core-focusable": "Polymer/core-focusable#master",
-    "core-icon": "Polymer/core-icon#master",
-    "paper-ripple": "Polymer/paper-ripple#master",
-    "paper-shadow": "Polymer/paper-shadow#master"
+    "polymer": "Polymer/polymer#^0.5.0",
+    "core-focusable": "Polymer/core-focusable#^0.5.0",
+    "core-icon": "Polymer/core-icon#^0.5.0",
+    "paper-ripple": "Polymer/paper-ripple#^0.5.0",
+    "paper-shadow": "Polymer/paper-shadow#^0.5.0"
   },
   "devDependencies": {
     "web-component-tester": "Polymer/web-component-tester#^1.1.4"
-  }
-}
+  },
+  "version": "0.5.1"
+}