clib: update to 1.4.0 and add HEAD version support

Closes #34674.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
clib: update 1.4.0 bottle.
tutum 0.11.0

Closes #34662.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
tutum: update 0.11.0 bottle.
doc/External-Commands: update links

`brew-gem`'s link is 404.
`brew-pip` has reached EOL.
Thus I updates the link of `brew-gem`, and remove descriptions
about `brew-pip`.

Thanks @DomT4 for pointing out brew-gem's new home.

Closes #34569.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
Implementation of a brew formula for bzip2 version 1.0.6
Fixed audit problems and switched to keg only to avoid system header shadow conflict
bzip2: add 1.0.6 bottle.