Crafty Component constructor names to lower case

Crafty component's constructor names are all lowercase
in the examples so scaffolding should probably create
lowercase constructor names too.

Fixed.

Author: weeezes

component/templates/_base.js

@@ -12,7 +12,7 @@ Crafty.c('<%= name %>', {
   },
 
   // constructor
-  <%= name %>: function(placeholder) {
+  <%= name.toLowerCase() %>: function(placeholder) {
     this.placeholder = placeholder;
   }