Added classes/styles for rank and array type questions ("A", "B", and "C"):
class='rank' and class='array1' or class='array2'. Provides extra control over look and feel of questions through templates.

git-svn-id: file:///Users/Shitiz/Downloads/lssvn/trunk/unstable@339 b72ed6b6-b9f8-46b5-92b4-906544132732