Orchestration tab in the admin info panel needs a discussion.
It seems not to be covered by heat-dashboard yet.
blueprint heat-dashboard-split-out
Change-Id: I56e6edb1f2ac72e2f42d0e9f3291308e67f24cad
Test checks that create/delete stacks actions are executed without
errors under admin user.
Stacks page object was defined similar to other pages.
Few other modifications I've made:
* horizon.conf - service_available section with new heat option
* stack template is added as separate file
Depends-On: I1f5dc1220aee39103289a579583095346cce0354
Implements blueprint: horizon-integration-tests-coverage
Change-Id: Ibc549f9ae4eac17d8e92d65afe1c5cee9be6e72e