Move the validators from gui to util, they do not have gui specific code.

Cura/cura.py

@@ -16,7 +16,6 @@ import platform
 from optparse import OptionParser
 
 from util import profile
-from util import sliceRun
 
 __author__ = 'Daid'
 __credits__ = """
@@ -69,6 +68,7 @@ def main():
 		return
 
 	if options.slice != None:
+		from util import sliceRun
 		sliceRun.runSlice(args)
 	else:
 		if len(args) > 0:

Cura/gui/configBase.py

@@ -3,7 +3,7 @@ import __init__
 
 import wx, wx.lib.stattext, os, sys, platform, types
 
-from gui import validators
+from util import validators
 from util import profile
 
 def main():

Cura/gui/expertConfig.py

@@ -8,7 +8,7 @@ from gui import configBase
 from gui import preview3d
 from gui import sliceProgessPanel
 from gui import alterationPanel
-from gui import validators
+from util import validators
 
 class expertConfigWindow(configBase.configWindowBase):
 	"Expert configuration window"

Cura/gui/mainWindow.py

@@ -8,7 +8,6 @@ from gui import expertConfig
 from gui import preview3d
 from gui import sliceProgessPanel
 from gui import alterationPanel
-from gui import validators
 from gui import preferencesDialog
 from gui import configWizard
 from gui import firmwareInstall
@@ -19,6 +18,7 @@ from gui import batchRun
 from gui import flatSlicerWindow
 from gui import icon
 from gui import dropTarget
+from util import validators
 from util import profile
 from util import version
 from util import sliceRun

Cura/gui/preferencesDialog.py

@@ -5,7 +5,7 @@ import wx, os, platform, types, string
 import ConfigParser
 
 from gui import configBase
-from gui import validators
+from util import validators
 from util import machineCom
 from util import profile
 

Cura/gui/projectPlanner.py

@@ -20,9 +20,9 @@ from gui import opengl
 from gui import toolbarUtil
 from gui import icon
 from gui import configBase
-from gui import validators
 from gui import printWindow
 from gui import dropTarget
+from util import validators
 from util import profile
 from util import util3d
 from util import stl

Cura/gui/simpleMode.py

@@ -6,12 +6,12 @@ import wx, os, platform, types, webbrowser
 from gui import configBase
 from gui import preview3d
 from gui import sliceProgessPanel
-from gui import validators
 from gui import preferencesDialog
 from gui import configWizard
 from gui import firmwareInstall
 from gui import printWindow
 from gui import icon
+from util import validators
 from util import profile
 from util import version
 from util import sliceRun