Warn against API calls in plugin guide
Warn against API calls in plugin guide

API calls raising uncaught exceptions have previously caused problems,
especially when deleting stacks or cleaning up after a stack's partial
deletion. This commit explicitely documents this pitfall.

Change-Id: If86ef0deb5b8eaa1a0665c07bfddcfe52994f249
Related-Bug: #1554625

openstack/heat,cwolferh/heat-scratch,steveb/heat,noironetworks/heat,cwolferh/heat-scratch,openstack/heat,steveb/heat,noironetworks/heat