Merge branch 'develop' of https://github.com/stan-dev/stan into develop
Merge branch 'develop' of https://github.com/stan-dev/stan into develop
Merge branch 'develop' of https://github.com/stan-dev/stan into develop
removed CmdStan interface doc
updated doc and finished issue #567
updated version for stan-reference
Merge branch 'develop' of https://github.com/stan-dev/stan into feature/issue-567-manual-2.3.0
Merge branch 'develop' of https://github.com/stan-dev/stan into feature/issue-567-manual-2.3.0
updated manual with latest suggestions
Merge branch 'develop' of https://github.com/stan-dev/stan into feature/issue-567-manual-2.3.0
Merge branch 'develop' of https://github.com/stan-dev/stan into feature/issue-567-manual-2.3.0
added acknowledgment for code
cmdstan manual pointer, remove experimental warning for optimize, links to Py/R/Cmd Stan home pages
Merge pull request #665 from stan-dev/feature/issue-567-manual-2.3.0

Fixes #665. Feature/issue 567 manual 2.3.0