Add a link to the build log, and running time, as part of the notification attachment.
Move parens out so they contain log link
Add notifications for personal builds on private channel
Add test failure list for failing builds, and VCS branch for personal builds.
Merge branch 'add-build-log-link-to-attachments' of github.com:midpackrunner/TCSlackNotifierPlugin

Conflicts:
	src/main/java/com/tapadoo/slacknotifier/SlackServerAdapter.java
Updated gitignores