Update package.json with glob dependency

fix glob dependency problem

I received the following error when running with grunt.  This change fixes the problem.

Warning: Cannot find module 'glob' Use --force to continue.
Error: Cannot find module 'glob'
    at Function.Module._resolveFilename (module.js:338:15)
    at Function.Module._load (module.js:280:25)
    at Module.require (module.js:364:17)
    at require (module.js:380:17)
    at doCoverage (/home/jesse/projects/neventd/node_modules/grunt-jasmine-node-coverage/tasks/jasmine-node-task.js:10:20)
    at Object.<anonymous> (/home/jesse/projects/neventd/node_modules/grunt-jasmine-node-coverage/tasks/jasmine-node-task.js:228:13)
    at Object.thisTask.fn (/home/jesse/projects/neventd/node_modules/grunt/lib/grunt/task.js:78:16)
    at Object.<anonymous> (/home/jesse/projects/neventd/node_modules/grunt/lib/util/task.js:282:30)
    at Task.runTaskFn (/home/jesse/projects/neventd/node_modules/grunt/lib/util/task.js:235:24)
    at Task.<anonymous> (/home/jesse/projects/neventd/node_modules/grunt/lib/util/task.js:281:12)