Remove closure-compiler.

In basic optimization closure-compiler doesn't do a better job than YUI-compressor. In advanced setting, the application breaks.

Rakefile

@@ -4,42 +4,6 @@ task :minify do
   system "juicer merge --force public/stylesheets/all.css"
 end
 
-task :minify2 do
-  current_path = File.expand_path(File.dirname(__FILE__))
-
-  library_js_files = File.join(current_path, "public", "javascripts", "lib", "**", "*.js")
-  application_js_dirsets = [
-    File.join(current_path, "public", "javascripts", "boot", "initialize.js"),
-    File.join(current_path, "public", "javascripts", "config", "**", "*.js"),
-    File.join(current_path, "public", "javascripts", "app", "models", "**", "*.js"),
-    File.join(current_path, "public", "javascripts", "app", "collections", "**", "*.js"),
-    File.join(current_path, "public", "javascripts", "app", "router.js"),
-    File.join(current_path, "public", "javascripts", "app", "views","**", "*.js"),
-    File.join(current_path, "public", "javascripts", "boot", "run.js"),
-  ]
-
-  externs = ""
-  Dir[library_js_files].each do |file|
-    externs << " --externs #{file}"
-  end
-
-  files = ""
-  application_js_dirsets.each do |dirset|
-    Dir[dirset].each do |file|
-      files << " --js #{file}"
-    end
-  end
-
-  statement = <<-EOS
-    java -jar lib/closure-compiler/compiler.jar          \
-      #{files} #{externs}                                \
-      --warning_level QUIET                              \
-      --js_output_file=public/javascripts/all.min.js
-    EOS
-  puts "Executing\n#{statement}...\n"
-  `#{statement}`
-end
-
 namespace :switch_to do
   def switch_to env
     FileUtils.rm_f "public/index.html"