Option for specifying VMware hardware version.

Adds -w command-line option and the corresponding hw_version template
key to specify VMware's virtualHW.version.
Merge branch 'MagerValp-termcolor'
Merge pull request #2 from MagerValp/versioncheck

Fix Mavericks version check.
Merge branch 'fusion6' of https://github.com/MagerValp/vfuse into MagerValp-fusion6
Merge branch 'MagerValp-fusion6'
fixed problem where hw_version might not exist in template
switched from yaml to json for built-in module support
Template hw_version should be an integer.