1. Add new annotation attributes which may be used
by the back-end for making scheduling or routing decisions.

2. Updated tests/README.md to give clearer instructions on creating and
tearing down the stack required to run the integration tests

3. Update ci.sh
 * Fail as soon as an error is encountered
 * Allow script to run locally in development environment, test if repos
are already cloned etc..
 * Deploy ./stack.yml used by existing integration tests

Signed-off-by: Edward Wilde <ewilde@gmail.com>