Add versioning to jasmine

Rakefile

@@ -1,12 +1,25 @@
 desc 'Builds lib/jasmine from source'
 task :build do
+  require 'json'
 
-  # these files must be loaded first
-  sources  = ["src/base.js", "src/util.js", "src/Env.js", "src/Reporter.js", "src/Block.js"]
+  version = JSON.parse(File.new("src/version.json").read);
+  sources  = ["src/util.js", "src/Env.js", "src/Reporter.js", "src/Block.js"]
 
-  sources += Dir.glob('src/*.js').reject{|f| sources.include?(f)}.sort
-
-  jasmine = File.new('lib/jasmine.js', 'w')
+  sources += Dir.glob('src/*.js').reject{|f| f == 'src/base.js' || sources.include?(f)}.sort
+  old_jasmine_files = Dir.glob('lib/jasmine*.js')
+  old_jasmine_files.each do |file|
+    File.delete(file)
+  end
+  jasmine = File.new("lib/jasmine-#{version['major']}.#{version['minor']}.#{version['build']}.js", 'w')
+  jasmine.puts(File.read('src/base.js'))
+  jasmine.puts %{
+jasmine.version_= {
+  "major": #{version['major']},
+  "minor": #{version['minor']},
+  "build": #{version['build']},
+  "revision": #{version['revision']}
+  };
+}
   sources.each do |source_filename|
     jasmine.puts(File.read(source_filename))
   end