cleaner: don't change permissions on paths marked skip_clean
Don't change perms on pip and easy_install executables

Fixes #20922.
Revert "python & python3: Don't tell how to upgrade pip"

This reverts commit 955b8fa58c69b1060b83a383ddb14392bee806be.
haxe 3.0.0

Closes #20399.

Signed-off-by: Misty De Meo <mistydemeo@gmail.com>
superenv: also filter out -mcpu=

On PPC, -mcpu is the preferred equivalent to -march.
Redact PIL

PIL hasn't been updated in 3+ years, and currently doesn't work right;
see https://github.com/mxcl/homebrew/issues/22135

Closes #22135.
InspIRCd 2.0.14

Closes #22184.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
swatchbooker: prefer pillow from pip

We've removed our PIL formula, and pillow is apparently more modern.
Allow building bottles with custom architectures

This allows overriding the "oldest CPU" behaviour - for instance, to
build Intel bottles for a newer CPU than Core 2, to build a PPC bottle
with or without Altivec on the same computer, etc.
Check for valid --bottle-arch= when building
More tweaks for llvm.

* Port more changes from llvm formulae of homebrew-versions.
  - Don't install Clang tools.
* Remove all man pages.
  - Currently only clang.1 is available, and we don't ship clang binary
    in core.
Merge remote-tracking branch 'mxcl/master'