Build: Spaces vs tabs

* Use tabs instead of spaces in jscs config

* Always use spaces in package.json (really hope this is temporary)

(cherry-picked from bbace100)

.jscsrc

 {
-    "preset": "jquery",
+	"preset": "jquery",
 
-    "excludeFiles": [ "src/intro.js", "src/outro.js", "src/sizzle/**/*" ]
+	"excludeFiles": [ "src/intro.js", "src/outro.js", "src/sizzle/**/*" ]
 }

package.json

@@ -16,7 +16,7 @@
   "keywords": [
     "jquery",
     "javascript",
-	"browser",
+    "browser",
     "library"
   ],
   "bugs": {