move main java source to "src/main/java" directory.
make test source directory "src/test/java".
and add PickerDaemonTest class.
PickerDaemon deal IOException in this class.
add test for count keymap's value sum.
PickerDaemon count variable's class change to "long".
change to logging to file. add setupSocket method, and setupOutdir
method.
Merge pull request #2 from karahiyo/test/for-build

Test/for build