ability to mark issues as transient
header color should be #7C6AAB

Per the Puppet Labs style guide, Puppet Purple is actually #7C6AAB.
restore original alert messages from v1.2.0

In v1.2.0, we used catch phrases like "Oh snap!" and "Best check
yo'self.". This was changed in the latest PR; this commit reverts to the
previous behavior.
add Gemfile.local to gitignore