Bumped up bower.json version to 1.0.4.

Author: yaru22

bower.json

@@ -5,7 +5,7 @@
   },
   "name": "angular-hovercard",
   "description": "Angular 'hovercard' directive.",
-  "version": "1.0.3",
+  "version": "1.0.4",
   "license": "MIT",
   "homepage": "https://github.com/yaru22/angular-hovercard",
   "repository": {