Change glibc package to install appropriate version of glibc

Add pango

Update php7 to 7.1.4

Update gperf to 3.1

Add stunnel

Move contents of old glibc.rb into glibc219.rb.

Update libsigsegv to 2.11

Change to use libsigsegv 2.11
Add binaries for some architectures

Change crew to abort just after errors

Update message

multiple packages even there are errors in the middle of compilation.  This solves such problems.

Add `zlibpkg` dep to Emacs.

Add buildessential as dependency if we're building from source

Add aarch64 support

Add aarch64 binary packages by duplicating existing armv7l packages.

Added bin heroku 4.28.3

Update php7 to 7.1.3

Fix a bug not removing CREW_DEST_DIR/* before the preconfiguration

Fix clisp

Use multicore for only compile-time

Change to perform `make` in sequential on packages not working in parallel

Revert to source build for powerline fonts

Update Go version to 1.8

[binutils] add gold-linker

Correct install directory

Update php7 from 7.1.0 to 7.1.2

As ChromeOS user land is 32bit, we can re-use the existing builds. Only the kernel is 64bit.