* ticket/hanakin/10001:
[ticket/10001] Created the new styles within colours.css to handle the displaying of the forum & topic images
[ticket/10001] Created new Template variable to house class names based on $folder_img value, Modified prosilver template files to utilize class for forum & topic images through out template via the newly created Template variable, Created the new styles within colours.css to handle the displaying of the forum & topic images