Minor 2.0-alpha update

Changes to better support HIS Central

Version 2, WOF/WaterML 1.0 and 1.1 compliant

• Added ODM2 examples
• Added WOF 1.1 and WaterML 1.1 services
• Prototype WaterML2 output validated to spec.
• Simplified the implementation of services
  • Examples properties, like connections, are configured on the command line.
  • Ability to run multiple services simplified.
• changed to use spyne.io framework
  • Ability to add other transports.
  • aka less dependent on Flask
• WSDL's now internal to the services
  • little more fragile since jinja2 template location may need to be specified

WOFpy with ODM2

Update some WOF interfaces.
Added ODM2 in "examples" folder.