stop overriding assert, create pulpo_assert for library use
implement basic event system
add new event handle system
fix for linux epoll
remove unused code
fix pulpo test
fix pthread reference
add timer fd
add task manager
implement event system (including test)
implement tentacle, fiber for pulpo
add new log category 'notice'
add filtering feature to event.select
implement event.wait_event, event.select_event to bundle several number of events and treat like one event.
Merge pull request #2 from umegaya/umegaya/feature/emitter

Umegaya/feature/emitter LGTM