Indeed, hooks does not require RESPONSE interface,
and should be setup before, at the system level (i.e CMS_API)
Added exportation solution via CMS_HOOK_EXPORT.
Updated blocks settings for demo example project.
(mostly to help new project based on ROC CMS).
Renamed and simplified the roc cms server launcher, and the related cms execution.
Updated cms.ini and extract blocks related management into blocks.ini.
Added debug clauses for cms sqlite3 storage.
