Incorporated patch by Kris Ven: New global option that allows the administrator to specify what is the minimum number of remaining answers in an 'array - flexible' question that must be remaining before repeating the question headings. This avoids that the headings of the question are repeated if only a few answers are
remaining.

git-svn-id: file:///Users/Shitiz/Downloads/lssvn/trunk/unstable@1592 b72ed6b6-b9f8-46b5-92b4-906544132732