Rakefile in backlog-0.4.0 vs Rakefile in backlog-0.5.0

@@ -8,15 +8,13 @@
 require 'rake/rdoctask'
 
 require 'tasks/rails'
 
 require 'hoe'
+require 'version_from_history'
 
-first_history_line = File.readlines('History.txt')[0].chomp
-version = (/^== (\d+.\d+.\d+) .*$/.match first_history_line)[1]
-
-Hoe.new("backlog", version) do |p|
+Hoe.new("backlog", APP::VERSION) do |p|
   p.rubyforge_name = "backlog"
   p.summary = "Application to aid collecting, processing, organizing, reviewing and doing tasks."
   p.description = p.paragraphs_of('README.txt', 0..-1).join("\n\n")
   p.remote_rdoc_dir = '' # Release to root
   p.changes = p.paragraphs_of('History.txt', 0..-1).join("\n\n")
@@ -26,10 +24,10 @@
   }
   p.need_zip = true
 end
 
 task :release_and_publish do
-  ENV['VERSION'] = version
+  ENV['VERSION'] = APP::VERSION
   Rake::Task[:release].invoke
   Rake::Task[:publish_docs].invoke
   Rake::Task[:post_news].invoke
 end
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