add doxy for ecore_main_fd_handler_prepare_callback_set, add massive optimization for fd handler scaling (only noticeable with 10000+ fd handlers) to only attempt running prep functions for handlers which have them
add doxy for ecore_main_fd_handler_prepare_callback_set, add massive optimization for fd handler scaling (only noticeable with 10000+ fd handlers) to only attempt running prep functions for handlers which have them


SVN revision: 54617

gfriloux/ecore,gfriloux/ecore,gfriloux/ecore