Create a changelog standard or may be a different gem

[onurozgurozkan]

• Disqussion http://stackoverflow.com/questions/7387612/git-changelog-how-to-get-all-changes-up-to-a-specific-tag
• Example bash https://github.com/kandanapp/kandan/blob/master/gen-changelog.sh
• Example output https://github.com/kandanapp/kandan/blob/master/CHANGELOG.md
• https://github.com/pcreux/pimpmychangelog this repo add support github issue and authors

We can add the bash repo or may be we can make gem with rake.

[onurozgurozkan]

We will solve this problem with different gem.