tcWebHooksPlugin 1.1-alpha3.50.100

• Fixes bug where XML declared Templates were not being found as valid when triggering webhook.
• Fix for UI templates not working for non-template aware (Legacy) webhooks.
• First cut of FlowDock templates (see Flowdock integration)
• Added Elastic templates for posting to ELK.
• Added icons to repo, so they can be referred to in templates.
• Merge branch 'build-comments-and-tags' into custom-templates. Adds support for messages containing commit details and comments/tags on a build.
• Fix for bug where templates declared in XML were not overriding Java templates.
• Added support for dates in templates.
• Fix starttime being empty for builds that are not "running" builds.