Update Go version to 1.8

[binutils] add gold-linker

Correct install directory

Update php7 from 7.1.0 to 7.1.2

Updates go version to latest 1.8 release as of this time.

Tested working on Acer c720 w/ Chrome 55.0.2883.105, Platform 8872.76.0

Refactor/install.sh

Add new experimental package named glibc223 to support glibc-2.23

  - Include --readline configure option to enable interactive shell

Set GOROOT_BOOTSTRAP to existing go installation

Add license file for GPLv3

  - Change to not use wget's "-c" option for non tempral files
  - Change to remove /usr/local/bin/cc, /usr/local/bin/crew and
    /usr/local/lib/crew/.git prior to make them
  - Change to reuse /usr/local/lib/crew/lib if it exists

change to use tar instead of cp for better performance.
change to remove temporal files before extraction.

(UPDATE) Update Go to version 1.7.5

Update libevent from 2.0.22 to 2.1.8

Remove unnecessary dependency

Add mercurial (4.0.2) package

Update install.sh

[di] Fix missing package meta

Need some modification to install ffcall.

Add libcap package

update perl to 5.24.1

Change crew to use same logic for zip and tar

Change to instal both ncurses ncursesw

Update toolchains

Update libpng from 1.6.26-1 to 1.6.28

Update lua from 5.3.3 to 5.3.4

Update php5 from 5.6.29 to 5.6.30

Add xe (0.6.1) package

Add cdrkit package