Make release 2.5.8
Merge pull request #173 from balshetzer/master

Make release 2.5.8
Merge branch 'master' of https://github.com/openstenoproject/plover
Updates to readme
Merge pull request #176 from StabbyCutyou/suggestion/readme_comment

Updates to readme
Merge branch 'master' of https://github.com/openstenoproject/plover