website: Use free-tier instance size.

README: Clarify repository placement relative to GOPATH

website: Fix introduction basic example

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>

builder/virtualbox: clean up port forwarding before exporting OVF.

/cc @ericlathrop

File upload provisioner [GH-118]

builder/virtualbox: Typo

Fix small typos

builder/vmware: Add a 'skip_compaction' configuration option

website: Document 'headless' option for Fusion and VBox

helptext has command [options] in it

/cc @smerrill

/cc @smerrill