message: Replace GitAhead by Gittyup
diff: @@ -15,8 +15,8 @@ How to Get Help
  ---------------
  Ask questions about building or using Gittyup on
  -[Stack Overflow](http://stackoverflow.com/questions/tagged/gitahead) by
  -including the `gitahead` tag. Remember to search for existing questions
  +[Stack Overflow](http://stackoverflow.com/questions/tagged/gittyup) by
  +including the `gittyup` tag. Remember to search for existing questions
  before creating a new one.
  Report bugs in Gittyup by opening an issue in the
  