Squashed 'vendor/src/github.com/openshift/docker-source-to-images/' changes from ba5697a..e9c3e8a

e9c3e8a Merge pull request #49 from pmorie/test
05eeb18 Add test script to pull test images
53bb1fe Merge pull request #44 from derekwaynecarr/add_callback_to_build
e9b0395 Add parameter to STI build to invoke an optional callback url
6090449 Merge pull request #48 from ncdc/non-root-user
befb573 Allow non-root USER
5d49394 Merge pull request #47 from ncdc/rename-debug-to-verbose
d87d6f2 Merge pull request #46 from pmorie/extended
f25ab83 Remove extended build functionality
1e0fdb2 Rename debug to verbose

git-subtree-dir: vendor/src/github.com/openshift/docker-source-to-images
git-subtree-split: e9c3e8a1dee6c4bbaf366dc30494a948d4961d3d
Merge commit '046d56664f0a7375ed5f1053f2b5b99cd16c7208'
Update gear build
Merge pull request #84 from pmorie/sti-vendor

Update to latest sti code