Update icu4c from 58.2 to 60.1

Update nginx package

Add squashfs package

Update mutt from 1.8.3 to 1.9.1

Add poppler package

Add pdfgrep package

Add lzop package

Add lzo package

Add lz4 and xz compression support

Compress manpages

Swap LZ4_SUPPORT and XZ_SUPPORT lines

Add lzo compression support

add proxychains package

Update apriconv from 1.2.1-1 to 1.2.2

Add avocado package

Update ImageMagick to 7.0.7-11

Update chromebrew_scripts from 1.0.0 to 1.1.0

Abstract library files via crew constants

Remove httpd dependency

Add libusbmuxd package

Add libplist package

libusbmuxd is a USB multiplexing daemon. This is being added as a
dependency for libimobiledevice.

Tested as working on Samsung Chromebook Plus (aarch64).

libplist is a library for manipulating Apple's Property List file
format.

Tested as working on Samsung Chromebook Plus (aarch64). All tests
passing.

Update cairo package

Update libpng from 1.6.33 to 1.6.34

Change --prefix configure option in sqlite package

Remove freetype dependency since fontconfig already includes it

Abstract --prefix and --libdir configure options with crew constants

Update libxml2 from 2.9.6 to 2.9.7

This is a bugfix and maintenance release.

Tested as working on Samsung Chromebook Plus (aarch64).

Update stressng from 0.08.16 to 0.09.02

Correct install location of nginx

Enhance startnginx and stopnginx scripts

Add messages to the postinstall section

Add instructions to start nginx on login

Fix to get the nginx process id

Return exit code of 1 on error

Bump version number to detect changes

Add zlibpkg dependency