Fix validate command error.

Still hitting some inconsistent behavior in different NPM
versions/platforms with invalid uppercase dependency names per
https://github.com/npm/npm/issues/3692. Partial fix for #33.

src/verbs/validate.js

@@ -15,7 +15,7 @@
 
     var validator = require('is-my-json-valid');
     var schemas = {
-      fresh: require('FRESCA'),
+      fresh: require('fresca'),
       jars: require('../core/resume.json')
     };