missile_weap.arc, throwing.arc, clawing.arc, two_handed_weapons.arc,
wraith_feed.arc: Related to server change 11576 - add wc_increase_rate
to these skills - for non weapon using skills, make that a lower value so
that it should be better balanced, and also give it a starting bonus.
MSW 2009-02-22
git-svn-id: svn+ssh://svn.code.sf.net/p/crossfire/code/arch/trunk@11577 282e977c-c81d-0410-88c4-b93c2d0d6712