Renamed realname to name in users table

We do not necessarily need the real name. A nickname would be
sufficient.

db/migrate/20170405144026_rename_user_realname_to_name.rb

@@ -0,0 +1,5 @@
+class RenameUserRealnameToName < ActiveRecord::Migration[5.0]
+  def change
+    rename_column :users, :realname, :name
+  end
+end

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20160812085722) do
+ActiveRecord::Schema.define(version: 20170405144026) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -63,7 +63,7 @@ ActiveRecord::Schema.define(version: 20160812085722) do
   end
 
   create_table "users", force: :cascade do |t|
-    t.text     "realname"
+    t.text     "name"
     t.datetime "created_at",                      null: false
     t.datetime "updated_at",                      null: false
     t.string   "email",              default: "", null: false