* dep ensure and use k8schain
* checkpoint
* fix vendoring, stuff builds
* Use k8schain for pushes too
* Use NewNoClient
* update ggcr dep
* Move k8schain usage to image_util.go
* added switch to extract different sources as build context
* first rough implementation of aws s3
* added buildcontext package and interface
* added GetBuildContext func to buildcontext.go
added fallback to gcs
renamed GC struct to GCS
* improved the default behavior of build context retrieval
* renamed gc:// to gs:// in order to follow common standards
* renamed struct File to Dir and some cleanup work
* moved context.tar suffix to the buildcontext processors where it is needed
* added buildcontext retrieval as struct variable
added fallback if prefix in bucket specifier is present
* cleanup if structures
* added prefix to s3
* WIP
* Fixed build context bugs
* refactored build context
* Vendor changes for go-containerregistry switch.
* Manual changes for go-containerregistry switch.
The biggest change is refactoring the tarball unpacking.
* Pull more of container-diff out.
* More vendor removals.
* More unit tests.
* Moving over kbuild executable code and adding unit tests
* Moved most file over into this repo
* delete non go files from vendor
WIP
WIP
* Removed unnecessary vendor files
* Added makefile, travis yaml, boilerplate stuff
Added .gitignore
Update vendor
Fixed linting errors
Reorganized pkg
Fixed travis
* Moved image source into separate package
* Removed vendor and logic
* Initial skeleton
Priya Wadhwa
dlorenc
Nick Kubala
Jason Hall
Christian Jantz
Matt Rickard