A way to not show execution steps

[ericfer]

Lets take for example the current create version

$ stepup version create
         run  git fetch from "."
         run  git tag -a -m "Features:

  - Created new support for AJAX" v1.0.0.rc5 from "."
         run  git push --tags from "."
Counting objects: 1, done.
Writing objects: 100% (1/1), 190 bytes, done.
Total 1 (delta 0), reused 0 (delta 0)
To git@github.com:ericfer/mygittest.git
 * [new tag]         v1.0.0.rc5 -> v1.0.0.rc5
         run  git notes --ref=features remove c50479326634d3a137dbd76940785c62602d2851 from "."
Removing note for object c50479326634d3a137dbd76940785c62602d2851
         run  git push origin refs/notes/features from "."
Counting objects: 3, done.
Delta compression using up to 2 threads.
Compressing objects: 100% (1/1), done.
Writing objects: 100% (2/2), 207 bytes, done.
Total 2 (delta 0), reused 0 (delta 0)
To git@github.com:ericfer/mygittest.git
   f315cdd..2f9a9a9  refs/notes/features -> refs/notes/features

It would be more clean to see just the following
$ stepup version create --quiet
Created version v1.0.0.rc5

An option would be to turn the _quiet_ mode the default one and pass an option to see the steps for whom wants it