moving generic HTML5 form functionality to Skull.Form
created Skull.TimedInput mixin to use the timedKeyup events in views with inputs as root el
change update notification message
change update notification subject and header
default: subject is part of the params passed on I18n
pass the update_id into mail_params
use apply scopes to filter on adm/projects
remove default: subject from notification_mailer we have all subject and headers on notification.yml
Created skull view for project form and for permalink input. User  mixins to validate both. Check slug using the default project_by_slug_path. Put permalink pattern in pattern attribute to validate using HTML5 form validation.
removed check_slug from projects controller and routes since we now check the availability of a slug through a direct access to that route
fix specs
Merge pull request #233 from devton/change_update_notification_text

Change update notification text and fix a bug on adm/projects
Merge pull request #234 from diogob/improving_new_project_form

Improving new project form
when create new user we should change the newsletter to true
Merge pull request #236 from devton/newsletter_default_true

when create new user we should change the newsletter to true
removed remaining check_slug url
simplify video check method, we don't need this silly conditional
added path for video url checking in the html input
added Skull view to check for video url on timed input in project creation form
fixing spec description