First stab at auto-generated Sphinx documentation.
Revert "First stab at auto-generated Sphinx documentation."

This reverts commit 2e52a960ebfeccaa1f9b9e7ce17d33b2bdff8bbc.

Moving to a feature branch.
test 'Iso8601' is properly deserializing dates.

Deliberately exercises the code in Iso8601 used by
VmomiSupport.py to validate that the import for
datetime reading is working as expected.

related to: https://github.com/vmware/pyvmomi/issues/112
python3: fix Iso8601 import statement

The import statement for Iso8601 was not properly
updated. This fix changes the import statement so
it works properly after python3 support changes.

fixes https://github.com/vmware/pyvmomi/issues/112
Introduce XML tools

Allows a developer to inspect two XML documents for
a 'logical' consistency. This set of tools could be
used to see if two SOAP messages with different tag
order constructed logically similar trees.

related to: https://github.com/vmware/pyvmomi/issues/112