Add wget package

Wget is a network utility to retrieve files from the Web.

Tested as working on XE500C13-K01US.

packages/wget.rb

+require 'package'
+
+class Wget < Package
+  description 'GNU Wget is a free software package for retrieving files using HTTP, HTTPS, FTP and FTPS.'
+  homepage 'https://www.gnu.org/software/wget/'
+  version '1.19'
+  source_url 'https://ftp.gnu.org/gnu/wget/wget-1.19.tar.xz'
+  source_sha256 '0f1157bbf4daae19f3e1ddb70c6ccb2067feb834a6aa23c9d9daa7f048606384'
+
+  binary_url ({
+  })
+  binary_sha256 ({
+  })
+
+  depends_on 'buildessential' => :build
+  depends_on 'gnutls'
+
+  def self.build
+    system './configure',
+      "--prefix=#{CREW_PREFIX}",
+      "--libdir=#{CREW_LIB_PREFIX}",
+      "--sysconfdir=#{CREW_PREFIX}/etc"
+    system 'make'
+  end
+
+  def self.install
+    system 'make', "DESTDIR=#{CREW_DEST_DIR}", 'install'
+  end
+end