Copy three migrations over from admin repo

Should fix issue on staging w/ missing geolocation readable_path

db/migrate/20170505203012_add_readable_path_to_geolocations.rb

@@ -0,0 +1,9 @@
+class AddReadablePathToGeolocations < ActiveRecord::Migration
+  def self.up
+      add_column :geolocations, :readable_path, :string
+  end
+
+  def self.down
+      remove_column :geolocations, :readable_path
+  end
+end

db/migrate/20170630144854_add_geolocation_indexes.rb

@@ -0,0 +1,9 @@
+class AddGeolocationIndexes < ActiveRecord::Migration
+  def self.up
+      add_index :geolocations, :readable_path
+  end
+
+  def self.down
+      remove_index :geolocations, :readable_path
+  end
+end

db/migrate/20170714154027_add_trigram_index_to_organizations.rb

@@ -0,0 +1,15 @@
+class AddTrigramIndexToOrganizations < ActiveRecord::Migration
+  def self.up
+      execute <<-SQL
+        create index index_organizations_on_name_trigram
+        on organizations
+        using gin(name gin_trgm_ops);
+      SQL
+  end
+
+  def self.down
+      execute <<-SQL
+        drop index 'index_organizations_on_name_trigram'
+      SQL
+  end
+end