Added $THISOS variable which, if set to solaris generates the random token using MySQL's RAND function, instead of PHP - because there is a problem with PHP generating random numbers with solaris. Default setting is blank.

git-svn-id: file:///Users/Shitiz/Downloads/lssvn/trunk/unstable@693 b72ed6b6-b9f8-46b5-92b4-906544132732