Add support for --json-attribute option

Passes through a JSON string to be added to the first run of chef-client
when using the --bootstrap option for `knife vsphere vm clone`
Merge pull request #30 from skymob/json_attribute_support

Add support for --json-attribute option
merged in patch to add option disabling customizations (from
https://raw.github.com/sacx/patches)
Added plugin support to vm clone
Added --wait-port option to vm state command
Add command to add VMDK to VM
Add password query
Merge pull request #31 from kirtfitzpatrick/cplugin

Added plugin support to vm clone
Merge pull request #34 from bflad/wait_port

Add --wait-port option to vm state command
Merge pull request #35 from bflad/vm_vmdk_add

Add command to add VMDK to VM
Merge pull request #36 from troyready/master

Prompt for vSphere password on the command line
version bump
version bump
Added VM Snapshot functionality
Rake 10.0.4 or whatever breaks this rakefile.
removed a trailing comma that was a syntax error on ruby 1.8.7
Merge pull request #38 from malonem/master

VM Snapshot management
Merge pull request #42 from gswallow/master

Fix rake.
Adding a vmdk will search for the space it needs from the datastores the vm already resides on if a lun is not specified
automatic detection of SCSI ID for next disk