adds pg_search gem

Gemfile

@@ -49,6 +49,7 @@ gem 'daemons'
 gem 'devise-async'
 gem 'newrelic_rpm', '~> 3.14'
 gem 'whenever', require: false
+gem 'pg_search'
 
 gem 'ahoy_matey', '~> 1.2.1'
 gem 'groupdate'   # group temporary data

Gemfile.lock

@@ -263,6 +263,10 @@ GEM
     paranoia (2.1.3)
       activerecord (~> 4.0)
     pg (0.18.3)
+    pg_search (1.0.5)
+      activerecord (>= 3.1)
+      activesupport (>= 3.1)
+      arel
     poltergeist (1.7.0)
       capybara (~> 2.1)
       cliver (~> 0.3.1)
@@ -455,6 +459,7 @@ DEPENDENCIES
   omniauth-twitter
   paranoia
   pg
+  pg_search
   poltergeist
   quiet_assets
   rails (= 4.2.4)