Adding simple_form, adding profile settings, header image

db/migrate/20160312193225_add_attachment_header_to_accounts.rb

@@ -0,0 +1,11 @@
+class AddAttachmentHeaderToAccounts < ActiveRecord::Migration
+  def self.up
+    change_table :accounts do |t|
+      t.attachment :header
+    end
+  end
+
+  def self.down
+    remove_attachment :accounts, :header
+  end
+end