preparing 1.0.0 release
use customized I18N control class to read localization messages stored
in UTF-8
document that localization message files are read as UTF-8
clean up license management
Revert "preparing 1.0.0 release"

This reverts commit de82dbf74f3e75b1c998d979defb2c808fbc8639.
Merge branch '1.0.0-rc.6'