Re-implemented all development Rake tasks in Thor. Now actually tested.

Fixes:
* https://www.pivotaltracker.com/story/show/25484287 & https://github.com/pivotal/jasmine/issues/183
* https://www.pivotaltracker.com/story/show/25485401 & https://github.com/pivotal/jasmine/issues/189
* https://www.pivotaltracker.com/story/show/25485953 & https://github.com/pivotal/jasmine/issues/159

spec/tasks/build_standalone_distribution_spec.rb

@@ -0,0 +1,109 @@
+require 'spec_helper.rb'
+
+describe "Standalone Distribution tasks" do
+
+  let(:jasmine_dev) { JasmineDev.new }
+  let(:standalone_temp_dir) { File.join(Dir.tmpdir, 'jasmine_test') }
+  let(:download_dir) { File.join(standalone_temp_dir, 'download')}
+
+  describe "build_standalone_distribution" do
+    before do
+      reset_dir standalone_temp_dir
+      reset_dir download_dir
+
+      Dir.should_receive(:tmpdir).any_number_of_times.and_return(standalone_temp_dir)
+
+      @standalone_staging_dir = File.join(standalone_temp_dir, 'jasmine_standalone')
+
+      @version_dir = File.join(@standalone_staging_dir, "jasmine-standalone-#{jasmine_version}")
+      @lib_dir = File.join(@version_dir, 'lib')
+      @source_dir = File.join(@version_dir, 'src')
+      @spec_dir = File.join(@version_dir, 'spec')
+
+      @output = capture_output { jasmine_dev.build_standalone_distribution download_dir }
+    end
+
+    it "should build the distribution" do
+      @output.should match(/Building Jasmine distribution/)
+    end
+
+    it "should tell the developer the task has started" do
+      @output.should match(/Building standalone distribution/)
+    end
+
+    it "should copy the lib directory to the staging directory, under a versioned directory" do
+      lib_dir_files = Dir.glob(File.join(standalone_temp_dir, 'jasmine_standalone', '**', '*'))
+
+      staged_lib_files = %w{ jasmine.js jasmine-html.js jasmine.css MIT.LICENSE }
+      staged_lib_files.each do |filename|
+        lib_dir_files.should include(File.join(@lib_dir, "jasmine-#{jasmine_version}", filename))
+      end
+    end
+
+    it "should copy the sample project source to the staging directory" do
+      File.exist?(File.join(@source_dir, 'Player.js')).should be_true
+      File.exist?(File.join(@source_dir, 'Song.js')).should be_true
+    end
+
+    it "should copy the sample project specs to the staging directory" do
+      File.exist?(File.join(@spec_dir, 'PlayerSpec.js')).should be_true
+      File.exist?(File.join(@spec_dir, 'SpecHelper.js')).should be_true
+    end
+
+    it "should copy a build SpecRunner.html to the staging directory" do
+      File.exist?(File.join(@version_dir, 'SpecRunner.html')).should be_true
+    end
+
+    it "should zip up the contents of the staging directory" do
+      File.exist?(File.join(@standalone_staging_dir, "jasmine-standalone-#{jasmine_version}.zip")).should be_true
+    end
+
+    it "should copy the zip file to the pages sub directory" do
+      File.exist?(File.join(download_dir, "jasmine-standalone-#{jasmine_version}.zip")).should be_true
+    end
+    
+    describe "when the zip file is unzipped" do
+      before do
+        @out_directory = File.join(standalone_temp_dir, 'unzip')
+        reset_dir @out_directory
+
+        FileUtils.cp File.join(@standalone_staging_dir, "jasmine-standalone-#{jasmine_version}.zip"),
+                     @out_directory
+
+        Dir.chdir @out_directory do
+          system("unzip -qq jasmine-standalone-#{jasmine_version}.zip")
+        end
+      end
+
+      describe "the distirbution" do
+        before do
+          Dir.chdir @out_directory do
+            @files = Dir.glob(File.join('**', '*'))
+          end
+        end
+
+        it "should include the correct root files" do
+          @files.should include('SpecRunner.html')
+        end
+
+        it "should include the correct lib files" do
+          %w{ jasmine.js jasmine-html.js jasmine.css MIT.LICENSE }.each do |file|
+            @files.should include(File.join('lib', "jasmine-#{jasmine_version}", file))
+          end
+        end
+
+        it "should include the correct src files" do
+          %w{Player.js Song.js}.each do |file|
+            @files.should include(File.join('src', file))
+          end
+        end
+
+        it "should include the correct spec files" do
+          %w{PlayerSpec.js SpecHelper.js}.each do |file|
+            @files.should include(File.join('spec', file))
+          end
+        end
+      end
+    end
+  end
+end