Modify to same name standard.

component.json

@@ -1,5 +1,5 @@
 {
-  "name": "impress.js",
+  "name": "impress-js",
   "version": "0.5.3",
   "description": "It's a presentation framework based on the power of CSS3 transforms and transitions in modern browsers and inspired by the idea behind prezi.com",
   "homepage": "https://github.com/bartaz/impress.js",