provisioner/shell: execute script directly instead of using /bin/sh
Implement file upload provisioner per #118.
Add file provisioner documentation.
Merge pull request #136 from ericlathrop/file-provisioner

File upload provisioner [GH-118]
fmt
provisioner/file: style nitpicks

/cc @ericlathrop
Update CHANGELOG
website: add more info to the file provisioner page
Virtualbox: clean up port forwarding before exporting OVF.
Merge pull request #137 from bdon/forwarded-port-cleanup

builder/virtualbox: clean up port forwarding before exporting OVF.
Update CHANGELOG
README: Clarify repository placement relative to GOPATH

If you don't put the repository in the right place in GOPATH,
changes to your sources don't get built.

Signed-off-by: Emil Sit <sit@emilsit.net>
docs: Fix invalid example
docs: Use free-tier instance size
Merge pull request #140 from philipcristiano/master

website: Fix introduction basic example
docs: Use free-tier instance size
Merge pull request #139 from sit/clarify-gopath

README: Clarify repository placement relative to GOPATH
Merge pull request #142 from philipcristiano/master

website: Use free-tier instance size.
post-processor/vagrant: Extra logging
post-processor/vagrant: properly forward config into provider [GH-129]