Fix Service Gateway to handle timeout parameter as query string parameter
bumped pyon
bumped ion-defs
Merge pull request #735 from shenrie/master

Fix Service Gateway to handle timeout parameter as query string parameter
Updated alert codes and agent implementation.
Bump pyon for agent get handlers.
Update alerts to use event subtype, fix eval constructor bug.
Elaborate on alert get/set tests.
Simplified Service Gateway parameter handling
Merge pull request #737 from shenrie/master

Simplified Service Gateway parameter handling
Remove old IA alarms test.
Removed unnecesary extended resource modifications
Bumped pyon
Merge pull request #739 from shenrie/master

Removed unnecesary extended resource modifications
Adds coverage tests to test_types
More coverage tests
type tests
Updates coverage