Added .gitignore for PHPStorm
Initial commit of Git-Tagger
Added basic README.md
Added 'release' command
Added 'hotfix' command
Minor variable renames
Added "(cherry picked from commit …)" to hotfix
Refactoring and changed milestone to -a tags

- Moved tag creation into a core method.
- Milestone tags are now annotated tags, with 'current' staying as
lightweight tags.
- Improved documenting of example releases.
Added rollback command
Refactored into \lib folder and improved README
Added .gitattributes
Added release generation to README