settings 6.x-1.1-alpha1

by overall: ability to use this module functions without need to manually specify module name
by overall: show "default" mark for options forms elements wich values are euqal to default values (configurable)
by overall: show default value for options forms elements wich values are not euqal to default values, in single line - for simple and collapsible - for multi-line text values (configurable)
by overall: ability to export (with ability to choose modules to export) and import modules settings to/from file
by overall: ability to use the module not only for fixed set of settings, but also for set of fixed settings set
by overall: some minor bug fixes