Revert "Simple session management sample."
Merge pull request #115 from vmware/revert-114-master

Revert "Simple session management sample."
[sample] vcrpy as flight recorder

Here's an example of a simple work-around that will allow
you to log a pyvmomi HTTP conversation using VCR.

Closes https://github.com/vmware/pyvmomi-community-samples/issues/121
Merge pull request #122 from hartsock/issues/121

[sample] vcrpy as flight recorder