update syntax in Gemfile
show task_lists for public projects
add some tests
pass task_lists tests
fix typo
link to public task list
fix typo
fix public_task_lists show
add public tasks
improve public tasks page #30
fix public controller spec
fix public pages controller spec
replaced gem memcache-client with gem dalli and changed Production.rb to use memcachedcloud on Heroku
some cleanup in public controllers
fix rss template
fix public_project_task_lists route
fix task_lists_controller_spec
add more assertions for public task lists controller spec
add CHANGELOG
Reminders on weekends support

	- Adds a checkbox in the user settings to give the chance to receive reminders during weekends