Jenkinsfile.rb: Jenkins build script refactored and simplified.
No need anymore for old and overly complicated build script.
# Following 3 lines are required to setup a Smalltalk/X rakefiles
defined? STX_RAKEFILES or STX_RAKEFILES = ENV['STX_RAKEFILES'] || "."
$:.push(STX_RAKEFILES)
require 'rakelib/support.rb'
#include Rake::DSL
import 'rakelib/help.rake'
import 'rakelib/info.rake'
import 'rakelib/debug.rake'
import 'rakelib/setup.rake'
import 'rakelib/checkout.rake'
import 'rakelib/compile.rake'
import 'rakelib/test.rake'
import 'rakelib/install.rake'
import 'rakelib/dist-jv.rake'
import 'rakelib/clean.rake'
desc "Fetch sources and compiles project (default task)"
task :'default' => [ :'setup', :'checkout', :'compile' ]
task :'pre'
task :'post'