virtual machine device interrogation sample

Demonstrates:
 * How to write python 2.7 and 3.3 compatible code in one script
 * How to parse arguments in a python script
 * How to pretty print format a dictionary
 * How to connect to a vSphere instance
 * How to search for virtual machines efficiently
 * How to interrogate virtual machine hardware info
 * How to determine the data type of a dynamic object instance
 * How to build a summary of a virtual device & virtual disk
 * How to interrogate a datastore and its hosts mounts

closes: https://github.com/vmware/pyvmomi-community-samples/issues/124
getallvms.py - add uuid to summary

To help new developers bootstrap into other samples, this
sample should include a listing of UUID as well. Because you
can use searchIndex with instance or bios UUID (but you have
to tell searchIndex which type of UUID you're using).
relocated waitforupdates sample
fix waitforupdates sample issues for merging
relocate serviceutil port to tools, update imports
add option to disable ssl verification warnings since switch to requests
add sample usage
formatting changes for pep8
waitforupdates sample fixes for merge
Create upload_file_to_vm.py
Create change_vm_vif.py
Merge pull request #125 from hartsock/issues/124

virtual machine device interrogation sample
adds sample to show how to set custom tags

These work similar to metadata. fixes #131
example for adding a disk to a VM
sample for cloning a VM. fixes #107
Merge pull request #1 from whereismyjetpack/clone_vm

sample for cloning a VM. fixes #107
Merge pull request #2 from whereismyjetpack/add-disk

example for adding a disk to a VM
Merge pull request #3 from michaelrice/issue-131

adds sample to show how to set custom tags
Merge pull request #4 from rreubenur/issue103

Create change_vm_vif.py
Merge pull request #5 from rreubenur/upload_file_into_guest

Create upload_file_to_vm.py
Merge pull request #6 from xandercrews/waitforupdatesex-example

Waitforupdatesex example
Merge pull request #7 from hartsock/master

getallvms.py - add uuid to summary