new starfield background
fixed stroke in paralax background
added github logos
added octocat
added twitter logo
split ghservice section
added logos

- huboard
- bountysource
- david-dm
- gitter
- nodejitsu
- gemnasium
- docker
added more logos

- codeclimate
- coveralls
- coverity
- saucelabs
- versioneye
- travis-ci
- aws sns
- nma
shrunk davod-dm logo
fixed logo width of 200px
intro and disclaimer improved
talk renamed
agenda updated
added nma section
added AWS SNS section