Update dependencies

* node-static: 0.7.0 -> 0.7.2
* uglify-js: 2.3.6 -> 2.4.1
* engine.io: 0.7.4 -> 0.7.9
* lodash: 1.3.1 -> 2.2.1 (client & server)
* eventemitter2: 0.4.12 -> 0.4.13
* iconv-lite: 0.2.10 -> 0.2.11
* spdy: 0.10.0 -> 0.14.11
* jQuery: 1.9.1 -> 0.10.2 (client)