pickup all libevent API interface in C
event_free() will call in cevent_Free()
fix bug
rename local variable
confirmed cevent_base.get_supported_methods() by get_supported_methods.k
use kString_text() macro
Merge branch 'libevent_evhttp' into libevent

Conflicts:
	src/package-devel/Lib.Libevent/Libevent_glue.c
Merge branch 'master' into libevent
Merge tag 'create_kArray_and_return' into libevent

Conflicts:
	src/package-devel/Lib.Libevent/Libevent_glue.c
	src/package-devel/Lib.Libevent/Libevent_kick.k
implemented all of event_base class
Merge branch 'libevent_evhttp' into libevent
Merge branch 'master' into libevent
implemented all of event_config class
add libevent version comparison for support APIs
implement all of include/event2/event.h API
Merge branch 'master' into libevent

Conflicts:
	src/package-devel/Lib.Libevent/Libevent_glue.c
	src/package-devel/Lib.Libevent/sample/get_supported_methods.k
add NULL check for {Log,Fatal}_callback
Merge branch 'master' into libevent
temporary commit
Merge branch 'master' into libevent