Fixed bug 03459: Using a "lower than" > character as code within label set leads to a save error in the end user survey form
Dev note required some tricky playing with < > symbols due to the strip_tags feature being a bit dumb.

git-svn-id: file:///Users/Shitiz/Downloads/lssvn/source/limesurvey@7339 b72ed6b6-b9f8-46b5-92b4-906544132732