fixes #221 Add support for VMWare Workstation in Windows
gofmt fixes, improved/added log messages, fixes #221/#222
added missing fallthru in case statement for linux option, fixes #221, #222
Updated website for vmware workstation support, fixes #221/#222
Merge branch 'master' of https://github.com/rasa/packer into rasa-master
Merge branch 'rasa-master'

This adds support for Windows VMware Workstation
scripts: make dist executable
builder/vmware: refactor the platform-specific stuff out

/cc @rasa - This is more idiomatic Go: to share the platform-independent
stuff and make the platform-specific stuff unexported functions
builder/vmware: verify various paths exist for Workstation
Update CHANGELOG