ETags and Action Caching

Added the action_cache plugin

    http://agilewebdevelopment.com/plugins/action_cache

which does action-caching with ETags support. The built-in Rails ETags "solution" sucks, because it forces a page-rerender, even when the content is unchanged.

vendor/plugins/action_cache/rakefile

@@ -0,0 +1,22 @@
+require 'rake'
+require 'rake/testtask'
+require 'rake/rdoctask'
+
+desc 'Default: run unit tests.'
+task :default => :test
+
+desc 'Test the Action Cache Upgrade plugin.'
+Rake::TestTask.new(:test) do |t|
+  t.libs << 'lib'
+  t.pattern = 'test/**/*_test.rb'
+  t.verbose = true
+end
+
+desc 'Generate documentation for the Action Cache Upgrade plugin.'
+Rake::RDocTask.new(:rdoc) do |rdoc|
+  rdoc.rdoc_dir = 'rdoc'
+  rdoc.title    = 'Action Cache Upgrade'
+  rdoc.options << '--line-numbers --inline-source'
+  rdoc.rdoc_files.include('README')
+  rdoc.rdoc_files.include('lib/**/*.rb')
+end