Did refactoring with goroutine and channel instead of fsnotify.

Signed-off-by: Kouhei Maeda <mkouhei@palmtb.net>
Using go run instead of go build and execute binary.

Signed-off-by: Kouhei Maeda <mkouhei@palmtb.net>
Merge pull request #1 from mkouhei/without_fsnotify

Without fsnotify