Type registry documentation

Assorted updates to documentation.

Initial Travis build/test.

Fix two bugs in replicatedservice.py

Fixing jinja template for redis to allow for no properties.

Previously it assumed properties would exist.

Require schema

Push docker image to other registry

Fix a typo

Fixes multiple error propagation issues

This will allow for testing of the type locally.

This also cleans up some error messages that were adding lots of
newlines to the end of errors as they passed through the system.

remove the repeated comment

Command: `make push DOCKER_REGISTRY=index.docker.io PROJECT=(your account)`

Merging from upstream.

Move type references from /examples to /types.

Add command list