Fix #6

This allows cross compiling for OS X on Linux machines.

homemaker.go

@@ -27,7 +27,6 @@ import (
 	"fmt"
 	"log"
 	"os"
-	"os/user"
 	"path"
 )
 
@@ -49,13 +48,9 @@ func usage() {
 }
 
 func main() {
-	currUsr, err := user.Current()
-	if err != nil {
-		log.Fatal(err)
-	}
-
+	homeDir := os.Getenv("HOME")
 	taskName := flag.String("task", "default", "name of task to execute")
-	dstDir := flag.String("dest", currUsr.HomeDir, "target directory for tasks")
+	dstDir := flag.String("dest", homeDir, "target directory for tasks")
 	force := flag.Bool("force", true, "create parent directories to target")
 	clobber := flag.Bool("clobber", false, "delete files and directories at target")
 	verbose := flag.Bool("verbose", false, "verbose output")