only make a couple BOARD constants imported at boot

pixo/boot.py

@@ -5,7 +5,7 @@
 # esp.osdebug(None)
 
 # Initalize the board
-from board import *
+from board import TOTAL_DOTS, BOARD
 
 # Class that contains display methods, animations, etc
 from pixels import Pixo
@@ -19,4 +19,4 @@ from helpers import *
 import wifi
 
 # Start an anonymous FTP server (TODO: Do this on the AP_IF only)
-import uftpd
+import uftpd