Clean up default widgets

Unregister default widgets and register
them again with added class for display.
3.6 Upgrade

Upgrade to 3.6 on wwwtest.
Widgets to widget_post_type,
update roots search form code,
remove sidebars, remove built
in widgets and replace with custom
widgets.
Merge branch 'develop' of https://github.com/smargovsky/wp-uw-roots into develop

# By Vince Rose
# Via Vince Rose
* 'develop' of https://github.com/smargovsky/wp-uw-roots:
  Fix so empty end date doesn't turn into 1970-01-01
  Added code to create outage feed that includes expiration date.
Merge branch 'develop' of https://github.com/smargovsky/wp-uw-roots into develop

# By Vince Rose
# Via Vince Rose
* 'develop' of https://github.com/smargovsky/wp-uw-roots:
  Added check to see if post_date is less than end date
  Added check to make sure there was a start date before converting to time
Merge branch 'develop' of https://github.com/smargovsky/wp-uw-roots into develop

# By Vince Rose
# Via Vince Rose
* 'develop' of https://github.com/smargovsky/wp-uw-roots:
  Took out some debug code
  Changed it to use only date, not start and end date, as well as took care of $post_date always having a value
  Changed to use only date. Not start and end dates to get posts
  php fix