this and followup commits touches:
use load_languiage API
class method parenthesis "\n{\n <code>\n}\n",
case break switches,
consistent boolean usage,
append css to eventData
and other cleanups
* Changed default cc version to 3.0, respecting old configuration while updating.
* BY only version is only valid since 3.0. 2.5 doesn't support this.
* Japanese users get a wrong link to the creative common license
* Mouseover image title supports Mozilla, too (title attribute)