Ensuring that disallowed types do not show up in search results

* There is a bug in the features export for apachesolr search
  that doesn't respect the types that shouldn't be indexed. This
  will ensure that those types don't show up in search.
Cancel temporary users accounts at the affiliate sites.
Making PR fixes

* Fixing incorrect node type name for campaign_group
* Changing true to TRUE
* Renaming allowed_search_types variable
Remove US users based on the international release timestamp.
Downgrade hook_update in dosomething_user.
Fixes #3334
Merge pull request #3335 from deadlybutter/fixes3334

Fixes #3334
Add "show more" link to the school finder.
Move US user clensing to drush job. Increase batch to 1000 users.
Add operation lock.
Fixes per #3095 review.
Merge pull request #3095 from sergii-tkachenko/DS-256_uk-cancell-temporary-users

Cancel temporary user accounts at the affiliate sites.
Add drush task to fix users address country.
Merge pull request #3338 from sergii-tkachenko/update-users-country-on-affiliates

Add drush task to fix users address country.
Merge pull request #3327 from blisteringherb/search-exclude-types

Ensuring that disallowed types do not show up in search results
Merge pull request #3336 from DFurnes/school-finder-show-more

Add "show more" link to the school finder.