added filter criteria models

front-api/db/migrate/20150207115622_create_filter_criteria.rb

@@ -0,0 +1,11 @@
+class CreateFilterCriteria < ActiveRecord::Migration
+  def change
+    create_table :filter_criteria do |t|
+      t.string :title
+      t.string :field_name
+      t.integer :type # list, checkbox list
+      t.string :owner_type # section, cat, subcat
+      t.integer :owner_id
+    end
+  end
+end

front-api/db/migrate/20150207120207_create_filter_criteria_values.rb

@@ -0,0 +1,9 @@
+class CreateFilterCriteriaValues < ActiveRecord::Migration
+  def change
+    create_table :filter_criteria_values do |t|
+      t.string :filter_text
+      t.string :filter_value
+      t.integer :filter_criteria_id
+    end 
+  end
+end