Wildfire now prevents fire damage against self

Uttercold now allows to pierce iceblocks (without destroying them)
Tempest now grants daze chances to lightning, chain lightning and thunderstorm
Crystaline Focus now grants physical and spell saves


git-svn-id: http://svn.net-core.org/repos/t-engine4@6197 51575b47-30f0-44d4-a5cc-537603b46e54