Rename virtual machine to `garden_dev_machine`.
Use (and set) `GOHOME` environment variable as base for standard `GOPATH`.
Annotate `configure_box.sh` lines.
Update `README.md`.
Modify `.profile` to use `GOHOME` and set `GOPATH`.
Create `config` for use in `~/.ssh` folder which redirects the `id` file search to the host's `id` files, in `vagrant_ssh`.
Modify `setup.sh` to insert `config` in `~/.ssh` folder.