Adds a swordsmaster class to the game.

CHANGELOG

1.3.1

 - Fixed infinite loop caused when reflecting certain spells like Invoke Darkness with Web of Steel

 - Updated for version 1.7.2
 - Raised stamina cost and cooldown for "Never Give Up"
 - Added offhand damage increase to "Swordsmanship" for swords and daggers
 - Changed format calls to tformat calls to support potential translation

 - Added tactical data to talents for npcs
 - Swordsmanship mastery and str/dex scaling swap now works with daggers as well as swords
 - Determination now always takes 15 turns to reach maximum regeneration instead of taking fewer turns with a higher talent level.
 - Fixed logic of projectile selffire to correctly function as indicated by comments (for web of steel)
 - Fixed Vapor Blade knocking back even when it misses

 - Swordsmanship now completely exchanges strength scaling for dexterity scaling on swords instead of giving -100% str mod and +100% dex mod
 - Fixed bug that prevented critical hits from occurring (oops!)
 - Unfetter and Never Give Up now have stamina costs
 - Harrying Blows fixed to only require Spring Attack to hit once per global turn instead of once per target's turn
 - Lightspeed Draw now has a fixed cooldown.
 - Spring Attack now only restores stamina if you are wielding a two-handed weapon
 - Will to Live changed to provide a health regen bonus equal to a flat amount per percent missing health rather than an amount equal to a percent of missing health. Also, now scales with Willpower.