version 1.0.0-RC3

 - Added Scala.js trial settings (disabled by default)
 - Renamed enablePaging as enablePagination
 - Enabled model/scaffold generator to skip timestamps
 - Added -XX:+CMSClassUnloadingEnabled to .sbtconfig too when absent
 - Updated gitignore
 - Renamed SessionLocaleFeature as LocaleFeature and added defaultLocale
 - Changed URL and parameter names to snake_case style in scaffold templates