mv some of python files to libs

_init_path.py

@@ -0,0 +1,8 @@
+"""Set up paths"""
+import sys
+
+def add_path(path):
+    if path not in sys.path:
+        sys.path.insert(0, path)
+
+add_path('libs')

labelImg.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 # -*- coding: utf8 -*-
-
+import _init_path
 import os.path
 import re
 import sys

libs/labelDialog.py

@@ -3,9 +3,6 @@ from PyQt4.QtCore import *
 
 from lib import newIcon, labelValidator
 
-# TODO:
-# - Calculate optimal position so as not to go out of screen area.
-
 BB = QDialogButtonBox
 
 class LabelDialog(QDialog):