rbenv-vars 1.2.0

Closes #17276.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
chromedriver 26.0.1383.0

Closes #17277.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
pygobject has gintrospection disabled, no need to pull package

Closes #17271.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
Add Homebrew-completions to search
brew search looks in samueljohn/python, too.

Closes #17267.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
Move rails-completion to https://github.com/Homebrew/homebrew-completions
Move knife completion to https://github.com/Homebrew/homebrew-completions