Merge tag '1.0.0' into develop

1.0.0
Add github text for closing issue on finish.

When naming a feature branch like issue_x , where x is the issue number on github, the git flow feature finish will add the text Closes #x through the script pre-flow-feature-finish.
Fixed integer check.

It wasn;t even finished, how could I push this.
Fix for mulitple underscore in the name
Merge branch 'release/1.1.0'