Arnel A. Borja authored Sep 07, 2011 and Sebastien Granjoux committed Sep 07, 2011

- Created function cg_transform_custom_c_type. Changed functions
  cg_transform_custom_c_type_to_g_type and cg_window_class_name_to_file_name
  to call this function.
- Append only upper case, lower case or digit characters.
- Don't add separator between double upper case characters, unless prefix is
  single character.
- Add separator before last upper case character in three or more upper case
  characters.
- Cut prefix in first occurrence of underscore.