Fix st2flake8 version to semver format
Fix st2flake8 version to semver format

Plexxi/st2,nzlosh/st2,Plexxi/st2,StackStorm/st2,Plexxi/st2,nzlosh/st2,Plexxi/st2,nzlosh/st2,StackStorm/st2,StackStorm/st2,StackStorm/st2,nzlosh/st2