FEM: code formating, make all python module start the same way

- module info
- doxygen documentation
- imports
- code

src/Mod/Fem/_TaskPanelFemSolverCalculix.py

@@ -31,7 +31,6 @@ import FemToolsCcx
 import FreeCAD
 import os
 import time
-
 import FreeCADGui
 import FemGui
 from PySide import QtCore, QtGui