Create a Schema from a parameter

Add a classmethod to create a property Schema object directly from a
parameter schema.

Change-Id: I335ec48086ea5aeb1fb2afd9af8e93529d9b6051
Wrap the resource registration in a global environment

Change-Id: I065dadc9fae19ab21d6d4aeae08334f20da161bb
Merge "Wrap the resource registration in a global environment"
Merge "Create a Schema from a parameter"
Add debug messages for testing.

Change-Id: I9f03a2281e5dea04e45fec61fbdb1120f0a32ef0
WIP

Change-Id: I96f1d8ae56c0b71301469177c15b1d09556e447a
About to move rpc call to service.py.

Otherwise, the exception won't bubble up to the client (the Resource
methods are being run in a separate thread).

Change-Id: Ib1b32ca5c6e038e2f001bfca2d8b46f9b0926453
Start listener at the start of every action, stop at end.

Change-Id: Ie8c675dfddc06b97041490e8dedb8acf55415200
Move exception to service.py

Change-Id: I85b3bb90ca77a7a2c1a86def9e2343687ad191e2
Working

Change-Id: I09b64bc1a97d1b5053bfae4804f843ec4de5f869
Refactoring

Change-Id: I307362a894f22f9021f2b6deb9cbe2aaa8ca6858