merge existing config when configuring requests
add a service for triggering requests via api
fix specs, reduce noise
remove commented condition
use a ruby hash as an example payload
extract Travis::Config to a gem
remove unused Logging module
use travis-config rubygem
Merge pull request #397 from travis-ci/sf-extract-travis-config

extract Travis::Config to a gem
add a default hash for config.endpoints
Merge pull request #393 from travis-ci/sf-trigger-request

Trigger request via API
Merge branch 'master' into jk_use_github_avatar_url