packer: push configuration
command: push command
hook up push to commands
command/push: partially implemented, tests
command/push: close reader
command/push: actual upload to named build config
command/push: create the build config if we can
command/push: support custom endpoints
command/push: propagate token properly
command/push: works
command/push: if a token isn't given, don't set it
command/push: add base_dir setting
builder/amazon: inject special metadata for atlas artifacts
command/push: send artifact true/false if we're post-processing
command/push: warn for bad builds
command/push: ctrl-C should work properly
command/push: update help text
website: docs for push
post-processor/atlas: make it
post-processor/atlas: proper package