Merge pull request #274 from geisesteert/patch-3

Add NcFTP (client) package

packages/ncftp.rb

+require 'package'
+
+class Ncftp < Package
+  version '3.2.6'
+  source_url 'ftp://ftp.ncftp.com/ncftp/ncftp-3.2.6-src.tar.gz' # Software source tarball url  
+  source_sha1 'e2351802b40db18d6cbab2537a9644cd858b934d'
+
+  depends_on 'buildessential'
+  
+  def self.build                                                  # self.build contains commands needed to build the software from source
+    system "./configure" 
+    system "make"                                                 # ordered chronologically
+  end
+  
+  def self.install                                                # self.install contains commands needed to install the software on the target system
+    system "make", "DESTDIR=#{CREW_DEST_DIR}", "install"          # remember to include DESTDIR set to CREW_DEST_DIR - needed to keep track of changes made to system
+  end         
+end