adds consistency to ruby code style

Keep a blank line before and after private
Keep a blank line before and after protected
Remove extra empty line at class body end
Remove extra blank line
Add final newline
Use 2 (not 3) spaces for indentation
Use 2 (not 4) spaces for indentation
Remove space before comma
Add space after comma
Remove trailing whitespaces
Remove unnecessary spacing
Use snake_case for variable names
Do not use then for multi-line if
Remove unused block argument - i
Use the new Ruby 1.9 hash syntax
Remove unused assignment to variable
Indent when as deep as case
Align attributes
Align end with def

spec/features/admin/managers_spec.rb

@@ -33,5 +33,5 @@ feature 'Admin managers' do
       expect(page).to_not have_content @manager.name
     end
   end
-end
 
+end