start system notification repos
configure system notification repos
Merge branch 'master' into system-notification

Conflicts:
	web/web-base/src/main/java/io/lumify/web/Router.java
can read from BigTableSystemNotificationRepository
made to work by Susan
Merge branch 'master' into system-notification
add missing assembly dir
add SystemNotificationRepository for integration tests
add lumify-model-bigtable dependency for integration tests
Merge