builder/common: add StepProvision
builder/*: convert to common StepProvision
builder/vmware: error if guest IP is blank [GH-189]
builder/common: only count handshake error if auth tried
v0.2.0
website: fix download parsing
Up version for dev
builder/vmware: Add support for Workstation 9 (Linux).

Now the VMware builder should automatically pick between Fusion 5 and
Workstation 9, based on which one is installed.
builder/vmware: split drivers out into individual files
builder/vmware: wording
Update CHANGELOG
scripts: Use XC_ARCH/XC_OS to limit what arch/os combo is built
builder/vmware: workstation 9 show stderr if command fails
builder/vmware: look for license for WS9
Merge remote-tracking branch 'upstream/master'

* upstream/master:
  builder/vmware: look for license for WS9
  builder/vmware: workstation 9 show stderr if command fails
  scripts: Use XC_ARCH/XC_OS to limit what arch/os combo is built
  Update CHANGELOG
  builder/vmware: wording
  builder/vmware: split drivers out into individual files
  builder/vmware: Add support for Workstation 9 (Linux).
  Up version for dev
  website: fix download parsing
  v0.2.0
  builder/common: only count handshake error if auth tried
  builder/vmware: error if guest IP is blank [GH-189]
  builder/*: convert to common StepProvision
  builder/common: add StepProvision