added FAQ to use the shortcode directly in php
only allow changing of options if the user can 'manage_options'
added option 'cgb_clist_show_all' (display the comments of all pages/posts)
removed debug messages
added page link in comments to other pages
changed position and help text of "cgb_clist_show_all"
enhanced help text for option "Comment html code"
added comment-guestbook widget with recent comments

not fully implemented yet!
implemented widget option link_to_comment
changed widget output
changed widget output layout
added widget options 'show_page_title' and 'hide_gb_page_title'
added widget option 'show_date'
added widget option 'show_author'
added widget option 'show_comment_text'
added widget option 'comment_text_length' to truncate the comment text
removed debug_text
added widget option 'gb_comments_only'
added css-classes in widget
fixed html output