Item12643: added support for WEBSUMMARY preference

also:
* fixed crash in after-rename handler (wtf)



git-svn-id: http://svn.foswiki.org/trunk@17388 0b4bb1d4-4e5a-0410-9cc4-b2b747904278
Item12790: set static context rendering pdf

also: fix encoding errors again; 't see when I finally got it :(



git-svn-id: http://svn.foswiki.org/trunk@17389 0b4bb1d4-4e5a-0410-9cc4-b2b747904278