Minor changes - adding "labels" to question titles in short text, long text, and multiple short text question types for compliance with US Govt. Section 508 requirements (for visually handicapped web surfers). Am unsure what to do about "flexible label" types for this requirement.

git-svn-id: file:///Users/Shitiz/Downloads/lssvn/trunk/unstable@1093 b72ed6b6-b9f8-46b5-92b4-906544132732