Allow watch path and root to be set independently

runner.conf.sample

@@ -1,4 +1,5 @@
 root:              .
+watch_path:        .
 tmp_path:          ./tmp
 build_name:        runner-build
 build_log:         runner-build-errors.log

runner/settings.go

@@ -18,6 +18,7 @@ const (
 var settings = map[string]string{
 	"config_path":       "./runner.conf",
 	"root":              ".",
+	"watch_path":        ".",
 	"tmp_path":          "./tmp",
 	"build_name":        "runner-build",
 	"build_log":         "runner-build-errors.log",
@@ -108,6 +109,10 @@ func root() string {
 	return settings["root"]
 }
 
+func watchPath() string {
+	return settings["watch_path"]
+}
+
 func tmpPath() string {
 	return settings["tmp_path"]
 }

runner/watcher.go

@@ -36,8 +36,8 @@ func watchFolder(path string) {
 }
 
 func watch() {
-	root := root()
-	filepath.Walk(root, func(path string, info os.FileInfo, err error) error {
+	watchPath := watchPath()
+	filepath.Walk(watchPath, func(path string, info os.FileInfo, err error) error {
 		if info.IsDir() && !isTmpDir(path) {
 			if len(path) > 1 && strings.HasPrefix(filepath.Base(path), ".") {
 				return filepath.SkipDir