Checks survey details for fax number, and if none is found, uses the default fax number from config.php
Added readonly='readonly' tags to inputs as per verifiedvoting.org diff
Added handling for "U" type question
Removed rem'd out debugging line

git-svn-id: file:///Users/Shitiz/Downloads/lssvn/trunk/unstable@1154 b72ed6b6-b9f8-46b5-92b4-906544132732