add ckermit package (#3294)

* add ckermit package
* for short description. Change CREW_DEST_DIR to CREW_DEST_PREFIX
* fixed install problem
* Fixed some syntax,
* Fixed ckermit.ini kermit patch problem

packages/ckermit.rb

+require 'package'
+
+class Ckermit < Package
+  description 'C-Kermit is a combined serial and network communication software package.'
+  homepage 'http://www.kermitproject.org/ck90.html'
+  version '8.0.211'
+  source_url 'https://fossies.org/linux/privat/old/cku211.tar.gz'
+  source_sha256 '0503518ef8f225d06749f7923ae84521bc358daf353222c75c009cd040dc5e26'
+
+  depends_on 'ncurses'
+
+  def self.build
+    system "make KFLAGS='-DCK_NCURSES -I#{CREW_PREFIX}/include/ncurses' LNKFLAGS='-lresolv -lcrypt' linux"
+  end
+
+  def self.install
+    system "mkdir -p #{CREW_DEST_PREFIX}"
+    system 'make', "DESTDIR=#{CREW_DEST_DIR}", "LIBDIR=#{CREW_LIB_PREFIX}", 'install'
+    system "sed -i \"s:#{CREW_DEST_PREFIX}:#{CREW_PREFIX}:g\" #{CREW_DEST_PREFIX}/bin/ckermit.ini"
+  end
+end