Update paranoia from 2.1.4 to 2.2.0.

Includes support for Rails 5.

Changelog: https://github.com/rubysherpas/paranoia/blob/879fd18caa46af70fceca2e8f46886b3eff072ec/CHANGELOG.md#220-2016-10-21

Gemfile

@@ -338,7 +338,7 @@ gem 'ruby-prof', '~> 0.16.2'
 gem 'oauth2', '~> 1.2.0'
 # Soft deletion
-gem 'paranoia', '~> 2.0'
+gem 'paranoia', '~> 2.2'
 # Health check
 gem 'health_check', '~> 2.2.0'

Gemfile.lock

@@ -460,8 +460,8 @@ GEM
     org-ruby (0.9.12)
       rubypants (~> 0.2)
     orm_adapter (0.5.0)
-    paranoia (2.1.4)
-      activerecord (~> 4.0)
+    paranoia (2.2.0)
+      activerecord (>= 4.0, < 5.1)
     parser (2.3.1.4)
       ast (~> 2.2)
     pg (0.18.4)
@@ -887,7 +887,7 @@ DEPENDENCIES
   omniauth-twitter (~> 1.2.0)
   omniauth_crowd (~> 2.2.0)
   org-ruby (~> 0.9.12)
-  paranoia (~> 2.0)
+  paranoia (~> 2.2)
   pg (~> 0.18.2)
   poltergeist (~> 1.9.0)
   premailer-rails (~> 1.9.0)