Updated flash function parameters and defaults
Updated flash function parameters and defaults

Flash function can be called with named parameters, and the defaults are
the same as before the change, examples expanded

watir/watir,titusfortner/watir-webdriver,titusfortner/watir,jkotests/watir,jkotests/watir,watir/watir,abotalov/watir-webdriver,watir/watir,titusfortner/watir,jkotests/watir,jkotests/watir-webdriver,titusfortner/watir-webdriver,jkotests/watir-webdriver,abotalov/watir-webdriver,titusfortner/watir,abotalov/watir-webdriver,watir/watir,titusfortner/watir,abotalov/watir-webdriver,jkotests/watir