Subject: kicadtoNgspice GUI

Description: Included kicadtoNgspice GUI developed on PyQt4.
Also took the backup of previouse kicadtoNgspice file(Both Tkinter and
Terminal based)
Subject: Changes in newProject.py

Description: Changes calling method of kicadtongspice as well as Model
Builder.
Subject: Python Plotting Changes

Description: Below changes were made for python plotting.
      1. Changes in newProject.py
      2.Changes in KicadtoNgspice.py
      3.Added new file pythonPlotting.py
      4.Added matplot package in the installation script