prettify github make commit message
update make github commit message
removed extra backtick in settings documentation

``SLUG_SUBSTITUTIONS` = ()`` becomes ``SLUG_SUBSTITUTIONS = ()``
Merge pull request #1392 from arty-name/patch-1

Remove extra backtick in settings documentation
Merge pull request #1372 from Railslide/make_github_commit_message

change make github commit message
Reader name now accessible for articles and pages
Merge pull request #1323 from DandyDev/access-reader-names

Reader name now accessible for articles and pages