Make site config module not require all fields in the parsed ini file be defined. It will still only load defined fields but will not throw an exception if an undefined field is encountered.
Make site config module not require all fields in the parsed ini file be defined. It will still only load defined fields but will not throw an exception if an undefined field is encountered.

svn commit r28354

silverorange/site,silverorange/site,nburka/site,nburka/site