ENH: Changed all slice3dVWR imports to import wx.
ENH: Changed all slice3dVWR imports to import wx.

ivoflipse/devide,zhangfangyan/devide,ivoflipse/devide,nagyistoce/devide,chrisidefix/devide,chrisidefix/devide,zhangfangyan/devide,fvpolpeta/devide,nagyistoce/devide,fvpolpeta/devide