Reorganize the project layout, fix some logging quirks

Signed-off-by: Shin'ya Minazuki <shinyoukai@laidback.moe>

config.go

@@ -1,34 +0,0 @@
-package mikuru
-
-import (
-	"log"
-	"os"
-	"gopkg.in/ini.v1"
-)
-
-var Config struct {
-	Host string
-	Token string
-}
-
-func ConfInit() {
-	config, err := os.UserConfigDir()
-        if err != nil {
-                log.Println("Unable to obtain user's configuration directory")
-                log.Fatal(err)
-        }
-        configPath := config + "/mikuru.ini"
-        Parse(configPath)
-}
-
-func Parse(file string) error {
-	cfg, err := ini.Load(file)
-	if err != nil {
-		return err
-	}
-
-	Config.Host = cfg.Section("mikuru").Key("host").String()
-	Config.Token = cfg.Section("mikuru").Key("token").String()
-
-	return nil
-}