Merge pull request #24 from dianping/master

sync
replace tailer using jnotify
add a logger rotation simulator
add ut for logReader(unfinished)
jnofity test case ok
1.correct some log level of UnitTest 2.distinguish libjnotify.so file between 32-bit and 64-bit
remove delayMillis conf
correct some uncomfortable code
and bin, set default bufsize
correct java.library.path of native library
Merge pull request #50 from LantaoJin/master

replace tailer using jnotify and ut (version 1.0.1)