Updated new_source tool to respect a modules set C++ namespace. Fixed generation of modules with templates without config.json.

tools/templates/module/app/private/SModule.jinja

@@ -1,6 +1,12 @@
 
 Import('env')
 
+env.ModuleConfig(
+    name = '{{name}}',
+    description = '',
+    cxx_namespace = '{{folder_name}}'
+)
+
 src_files = Split("""
     main.cpp
 """)