Catch fatals on the four dump calls (as file and zip, as html and mimified)

Catch fatals on the four dump calls (as file and zip, as html and mimified)
FoafViewer: Check against external requirements, instead of fatal.
Change output for xhtmldumps: using file:// urls to the local fs.
Catch SOAP fatal by checking for GOOGLE_LICENSE_KEY
Import GOOGLE_LICENSE_KEY and FORTUNE_DIR from config.ini.

git-svn-id: svn://svn.code.sf.net/p/phpwiki/code/trunk@3673 96ab9672-09ca-45d6-a79d-3d69d39ca109