builder/vmware-vmx: add floppy_files support
builder/vmware: add VMWare Player 6 support

Also added VMWare Player support in Windows
Fixes #972
builder/virtualbox-ovf,vmware-vmx: add `boot_command` support

Fixes #1082
added docs for boot_command and boot_wait
implement `iso_interface` setting

Adds a new configuration option, `iso_interface`, that can be set to
`sata` to mount the ISO on the SATA controller.  Required for OS X.
add documentation for `iso_interface`
skip adding floppy again in vmx_data_post step
Adding a script to compile the linux binaries
Added required value for openstack_provider for rackspace example

If `openstack_provider:rackspace` is omitted in the configuration, the example
won't work at all against rackspace. Not sure what the actual documentation for
this configuration value should be, but this was a major source of irritation
when I couldn't get the default example working against Rackspace.
Added some variables to amazon-ebs builder and chef-client provisioner
Add a docker commit step to the docker builder that runs instead of export if export_path not present
Add a docker tag post processor
Add a docker save post processor
Add Stderr capture to Commit and TagImage calls.
Fix bug with getting ec2 connection instead of source image
Fix typo in docker builder docs
Change creating boxes for customizing metadata.json.
Change creating boxes for customizing metadata.json
Print the evaluated bundle commands
Fix Ansible inventory path on Windows

Convert the path to use a '/' separator.