title: Add Jenkins Groovy Postbuild step to all jobs
body: <p>How can the same <a href="https://www.google.com/url?sa=t&amp;rct=j&amp;q=&amp;esrc=s&amp;source=web&amp;cd=1&amp;cad=rja&amp;ved=0CCkQFjAA&amp;url=https%3A%2F%2Fwiki.jenkins-ci.org%2Fdisplay%2FJENKINS%2FGroovy%2BPostbuild%2BPlugin&amp;ei=FW-UUrvEJqv7ygO2tYLoCQ&amp;usg=AFQjCNEYaSIvIaCN-ueDsPnELr3mL6hJGg&amp;sig2=ZLCJol-s8QyQUkNtW1pg4g&amp;bvm=bv.57155469,d.bGQ" rel="nofollow">Jenkins Groovy Postbuild Plugin</a> step be added to all jobs? We have 50+ jobs, so it is too hard to copy-paste the link to desired groovy code to every job.</p>