Fixed talent level restriction for rares (it was not working at all sorry for...

Fixed talent level restriction for rares (it was not working at all sorry for those fearscaping levle 2 trolls)
Talent level checks for rares is doubled, that is to be able to use a talent requiring level 12 a rare would have to be level 23 (because of rounding)

git-svn-id: http://svn.net-core.org/repos/t-engine4@5159 51575b47-30f0-44d4-a5cc-537603b46e54