Provides 'not' condition function

Support 'not' and 'Fn::Not' for templates:
AWSTemplateFormatVersion.2010-09-09
heat_template_version.2016-10-14

Change-Id: I6a9c89a23160a2cf06c37677871bcfbfab9599be
Blueprint: support-conditions-function
1 file changed
tree: 16a4e76d2219afa23e1b802108547c207abee95a
  1. common/
  2. functional/
  3. scenario/