motorz: add and use the timer event of the connection. Set current_thread before calling timer callback. Use KeepAliveTimeout for CONN_STATE_CHECK_REQUEST_LINE_READABLE.

motorz: revert bogus r1665381.

motorz: Fix access to timer's pool from different threads (timer_event_process). Set current_thread before calling timer callback. Reuse timers by using spare_timers from motorz core (acquire/release_timer). Use KeepAliveTimeout for CONN_STATE_CHECK_REQUEST_LINE_READABLE.

use pollset impl instead of pollcb

we need sbh and might as well have some debug

Move statics

Move to traditional C header