add _supportedLocales in EasyLocalizationController; check the device…

[bbsmartc]

add _supportedLocales in EasyLocalizationController; check the deviceLocale in resetLocale;

to fix this issue

add scriptCode if useOnlyLangCode

scriptCode is needed sometimes, for example zh-Hans, zh-Hant

[bw-flagship]

oh and please add this to the changelog

[bbsmartc]

oh and please add this to the changelog

changed added

[bw-flagship]

@bbsmartc did you see my other comment?

[bbsmartc]

@bbsmartc did you see my other comment?

sorry, forgot! in the latest pull request, the log is already modified to

    EasyLocalization.logger('Reset locale to $locale while the platform locale is $_deviceLocale and the fallback locale is $_fallbackLocale');