Renamed talents to "class talents" and skills to "generic talents"

Restored 3 stats points, 2 class talent points and 1 generic talent point at birth
Tweaked a lot of talents to switch between class/generic
Tweaked a lot of classes have a better balance of class/generic talents


git-svn-id: http://svn.net-core.org/repos/t-engine4@884 51575b47-30f0-44d4-a5cc-537603b46e54