serialization.

--HG--
rename : dlib/timer/timer_kernel_2.cpp => dlib/timer/timer.cpp
rename : dlib/timer/timer_kernel_2.h => dlib/timer/timer.h
rename : dlib/timer/timer_kernel_abstract.h => dlib/timer/timer_abstract.h
rename : dlib/timer/timer_kernel_1.h => dlib/timer/timer_heavy.h

These are the timer and timer_heavy objects now.

right away.

can be declared as a type timeout rather than timeout::kernel_1a.

--HG--
rename : dlib/timeout/timeout_kernel_1.h => dlib/timeout/timeout.h
rename : dlib/timeout/timeout_kernel_abstract.h => dlib/timeout/timeout_abstract.h

timeout time to something other than the default of 500ms.