Clean up install_github parameters pull and branch#509

Merged

hadley merged 8 commits intor-lib:masterfrom krlmlr:509-install_github-s3-ref

Jun 30, 2014

Commits on Jun 26, 2014

remove branch parameter to install_github
Kirill Müller
committed
Deprecate and remove pull parameter to install_github
Kirill Müller
committed
update NEWS
Kirill Müller
committed

Commits on Jun 27, 2014

don't use with(), fix indentation
Kirill Müller
committed
clean up
Kirill Müller
committed
refactor: inline function, rename variables; this affects an existing test
Kirill Müller
committed
document S3 generic
Kirill Müller
committed
rename class pull to github_pull, inline function github_pull_info
Kirill Müller
committed