HOMEBREW_CC: Remove COMPILER_ALIASES

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
Treat HOMEBREW_CC the same as --cc

Closes #29762.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
Use a || b
Rewrite xcrun wrapper in shell
Switch to "Current" Ruby framework symlink

Closes #29795.
Closes #29819.
String isn't enumerable in 1.9+
Update ruby version doctor check
resource: escape slashes from download_name

This is useful to be able to write go resources using their package
name as the resource name
Formula: add stage_godeps helper

This is just a one-liner to stage a series of resources into a gopath
as an alternative to calling go get during the install method.
mpdviz: model deps as resources
mpdviz: add 0.4.3 bottle.