Pyvmomi

* Add sso.py to support get bearer/hok token from sso server
* Fixes 519, 448, 420, 421 Fix SoapAdapter serializer to support serializing unicode chars.
* Fix 487: Remove custom __getattr__ in _HTTPSConnection
* Add user-agent header when connecting to vsphere

- Spec bump to support vSphere 6.5.
- Include EAM bindings to support vSphere EAM service.
- Fixed server thumbprint verification.
- Fixed sslcontext creation in sample code.
- Newer features are available via the new vSphere Automation SDK for Python [here](https://developercenter.vmware.com/web/sdk/65/vsphere-automation-python)

- Fixed bug in task.py https://github.com/vmware/pyvmomi/pull/395

- Add support for SPBM and SMS APIs.
- Python3 related bug fixes.
- Include task.py utility class.

- Spec bump to support vSphere 6.0 server objects and types [vSphere 6.0 U1 spec is used](http://pubs.vmware.com/Release_Notes/en/vsphere/60/vsphere-vcenter-server-60u1-release-notes.html)
- New ssl context parameter in Connect.py and SoapAdapter.py to support passing various ssl options while connecting to vSphere.
- Drop python 2.6 support.
- Critical bug fixes.

- [Release Notes](https://github.com/vmware/pyvmomi/compare/v5.5.0...v5.5.0-2014.1)
- [Python 3 support](https://github.com/vmware/pyvmomi/issues/55)
- added [unit testing using fixtures](https://github.com/vmware/pyvmomi/issues/42)
- fixed [session timeouts issue](https://github.com/vmware/pyvmomi/issues/43)
- fixed [Querying datastore cluster fails](https://github.com/vmware/pyvmomi/issues/24)
- fixed [Malformed Faults fail in non-informative ways](https://github.com/vmware/pyvmomi/issues/72)
- added [RST documentation](https://github.com/vmware/pyvmomi/pull/58)
- fixed [getheader does not always fetch cookie value](https://github.com/vmware/pyvmomi/issues/93)