community: encourage bug reporters to test recent versions
community: encourage bug reporters to test recent versions

Specifically, the latest released version or the "next" branch, as
reporters are willing.  This is based on:

  http://marc.info/?l=git&m=145496979420513&w=2

git/git-scm.com,jasonlong/git-scm.com,git/git-scm.com,git/git-scm.com,mosoft521/gitscm-next,dscho/git-scm.com,jnavila/gitscm-next,mosoft521/gitscm-next,jnavila/gitscm-next,dscho/git-scm.com,dscho/git-scm.com,git/git-scm.com,mosoft521/gitscm-next,Mokolea/git-scm.com,jasonlong/git-scm.com,dscho/git-scm.com,jnavila/gitscm-next,Mokolea/git-scm.com,jasonlong/git-scm.com,jnavila/gitscm-next,Mokolea/git-scm.com,mosoft521/gitscm-next,jasonlong/git-scm.com,Mokolea/git-scm.com