rm period from licensing header so it's not mistaken as part of the URL

Gruntfile.js

@@ -11,7 +11,7 @@ module.exports = function(grunt) {
     banner: '/**\n' +
               '* Bootstrap v<%= pkg.version %> by @fat and @mdo\n' +
               '* Copyright <%= grunt.template.today("yyyy") %> <%= pkg.author %>\n' +
-              '* Licensed under <%= _.pluck(pkg.licenses, "url").join(", ") %>.\n' +
+              '* Licensed under <%= _.pluck(pkg.licenses, "url").join(", ") %>\n' +
               '*\n' +
               '* Designed and built with all the love in the world by @mdo and @fat.\n' +
               '*/\n',