Reviewed by Gustavo Noronha Silva.

        Update gtkdoc files and inline documentation to reduce gtkdoc errors
        and ensure complete documentation output.

        * docs/webkitgtk-sections.txt: Add missing sections to the list and remove
        unneeded sections.
        * docs/webkitgtk.types: Update the types list.
        * webkit/webkithittestresult.cpp: Fix inline documentation errors.
        (webkit_hit_test_result_class_init): Ditto.
        * webkit/webkiticondatabase.cpp: Ditto.
        * webkit/webkitwebsettings.cpp: Ditto.
        (webkit_web_settings_class_init): Ditto.
        * webkit/webkitwebview.cpp: Ditto.
        (webkit_web_view_class_init): Ditto.

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@88734 268f45cc-cd09-0410-ab3c-d52691b4dbfc