FEM: Change default behaviour of ConfigParser used for materials

ConfigParser changes option capital letters in keys to small letters.
That commit changes it to generate verbatim keys as read from FCMat
files. Also Section names are no longer used to generate material
dictionary.

Signed-off-by: Przemo Firszt <przemo@firszt.eu>

src/Mod/Material/Material.py

@@ -57,12 +57,13 @@ def importFCMat(fileName):
     "Read a FCMat file into a dictionary"
     import ConfigParser
     Config = ConfigParser.ConfigParser()
+    Config.optionxform = str
     Config.read(fileName)
     dict1 = {}
     for section in Config.sections():
         options = Config.options(section)
         for option in options:
-            dict1[section+'_'+option] = Config.get(section, option)
+            dict1[option] = Config.get(section, option)
 
     return dict1