make a servers score go down if the offset is > 0.5
make a servers score go down if the offset is > 0.5

make it go up slower if the offset is > 0.1 (which with the -5% every time 
will make it go down)



git-svn-id: ff308a35cadec5de0eb20f1a4f7b8dfb05654367@175 e01dd7d5-6be1-0310-aa60-dbbdb055a346

tklauser/ntppool,tklauser/ntppool,punitvara/ntppool,tklauser/ntppool,tklauser/ntppool,punitvara/ntppool,punitvara/ntppool