ref(cache): just use go. remove bash script
chore(builder): update Docker engine to 1.3.0
fix(controller): use docker cache
Merge pull request #2166 from mboersma/builder-docker-130

chore(builder): update Docker engine to 1.3.0
Merge pull request #2143 from aledbf/logger_just_use_go

ref(cache): just use go. remove bash script
Merge pull request #2170 from aledbf/fix_controller_docker_cache

fix(controller): use docker cache