Now the conversion for the default case works automatically.
Additional the code itself were simplified quite a lot and some comments
got added.

#1302494 by defr: Don't alter the value_options directly for flatten the options in in_operator filter

#1109108 by szantog: Handler translation keys should use the id instead of the field to have a unique key for multiple fields

#1094712 by dereine: Replace locale_language_list with views version of the function to not rely on the locale modul

#1238488 by dereine: The actual default order of a single field in a table didn't worked as expected

	handlers/views_handler_field.inc

#1261468 by dereine: Fix notices when relationship label is not defined and strict error on views_handler_field_accesslog_path

	plugins/views_plugin_style_jump_menu.inc