Added elm_cache_all_flush.
Added module Elm_config.
Added elm_config_cache_flush_interval_get/set.
Added elm_config_cache_flush_enabled_get/set.
Added elm_config_cache_font_cache_size_get/set.
Added elm_config_cache_image_cache_size_get/set.
Added elm_config_cache_edje_file_cache_size_get/set.
Added elm_config_cache_edje_collection_cache_size_get/set.