Added first level instrumentation for travis-web

This is not enabled by default. You need to run:

Travis.Instrumentation.subscribe('render.view')

To start capturing info
add dns prefetching
add github api
Typo
Merge pull request #92 from MSNexploder/patch-1

Typo
Merge pull request #91 from travis-ci/rkh-dns-prefetch

add DNS prefetching
Merge pull request #84 from randym/instrumentation

WIP! Added first level instrumentation for travis-web
check scopes