psss environment variable POOL_HOSTNAME
change back sample repository
build-screen: fix css path used in grunt serve
build-screen: use document.location.host instead of document.location.host
build-screen: remove /app/styles/*.css because .less is origin
Merge pull request #70 from mookjp/use-document-location-hostname-without-port

build-screen: use document.location.hostname instead of document.location.host
Merge pull request #68 from mookjp/fix-css-path-for-grunt-serve-in-debug

build-screen: fix css path used in grunt serve
Merge pull request #67 from mookjp/issue-65_pool-host-name

Set environment variable to preview container `POOL_HOSTNAME`
Fix to handle subdomain as git-commit-id inside pool

- Fix hook.rb and build_server so that it does not create
  another
  container if branch name is given.
- Fix Dockerfile to test builder gem while building
  the container
- Refactor hook.rb