update README
add canvas library
support signal(lazy implement)
working commit: support signal
working commit
+ support signal event
support timer and signal event handling
fix mistake
test multi timer event
fix {event,timer,signal}_assign() bug
add TODO comment
update testcase
fix LLVM package name
update testcase
rename local variable
modified Lib.Mpi sample
Merge pull request #408 from takeoonoda/mpi

modified Lib.Mpi sample
Merge pull request #407 from tetsurom/canvas

add canvas library
add ctimeval reference in cevent for GC reason
revise class structure not to use Konoha wrapper class(Libevent_kick.k)
revise cevent

confirmed timer and signal by echoServer.k

cbufferevent revised and confirm it by bufferevent.k

delete comment out lines

change class name on Konoha
Merge branch 'master' into libevent