Core: replaced 'SafeConfigParser' with 'ConfigParser' as the former has been deprecated.

easycloud/core/metaconfmanager.py

 from abc import ABC, abstractmethod
-from configparser import SafeConfigParser
+from configparser import ConfigParser
 import os
 
 
@@ -17,7 +17,7 @@ class MetaConfManager(ABC):
             config_file (str): optional configuration file name.
         """
         self.platform = platform
-        self.parser = SafeConfigParser()
+        self.parser = ConfigParser()
         #self.parser.read("modules" + sep + self._platform + sep + "settings.cfg")
         if config_file is None:
             self._config_file = os.path.join(os.path.dirname(os.path.realpath(__file__)), os.pardir, "modules", platform, "settings.cfg")