Added .ruby-version & .ruby-gemset in .gitignore
Add author and issue id warning.
Merge branch 'changelog-specifics' of /home/git/repositories/gitlab/gitlabhq
Merge pull request #5099 from yatishmehta27/gitignore-changes

Added .ruby-version & .ruby-gemset in .gitignore
Merge branch 'master' of https://dev.gitlab.org/gitlab/gitlabhq
README improved. Removed travis badge
Merge pull request #64 from gitlabhq/master

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