Upgrade engine.io v0.7.9 -> v0.9.0
Upgrade ipaddr.js v0.1.1 -> v0.1.2
Upgrade lodash v2.2.1 -> v2.4.1
Upgrade node-static v0.7.2 -> v0.7.3
Upgrade po2json v0.0.6 -> v0.2.3
Update spdy v1.14.11 -> v1.19.1
Update uglify-js v2.4.1 -> v2.4.12
Update socksjs v0.4.3 -> v0.4.4
Update client lib engine.io v0.7.9 -> v0.9.0
Update client lib lodash v2.2.1 -> v2.4.1
Update client lib jQuery v1.10.2 -> v1.11.0
Merge pull request #484 from M2Ys4U/dep-update

Update dependencies