bump(github.com/openshift/source-to-image) 53a27ab4cc8c6abfe84904a6503490bbf0bf7abb
Merge pull request #399 from bparees/update_sti_version

Merged by openshift-bot
Refactor build config to use triggers
Merge pull request #400 from csrwng/build_config_triggers

Merged by openshift-bot
Docker run command was wrong
Add --net=host option for simplicity in Docker steps.