Din's Legacy patch 0.901

This patch adds Steam cloud support, improves the graphics in many ways, polishes the UI some, and fixes a bunch of smaller issues. 0.901 change list:

• added Steam cloud support

• now calculate needed fov for light shadow map

• made burned textures much nicer looking (more variety and tile better)

• increased draw distance a little

• now any ice damage has chance to leave behind some ice on ground (Bluddy)

• increased near/far z spread constant from 1000 to 1200 to fix a few places that get cutoff from farZ value

• no longer allow a clan to start in a shared level

• now enemies can be knocked into torches, campfires, etc which will destroy them (the fire that is)

• now fire with sparks shower several sparks around when destroyed

• now explosion from volcanos that leaves lava also does damage

• Fury power attack now has some knockback

• sped up Ice Tower Traps and Fire Tower Traps

• changed select gold amount in trade menus to have separate gold, silver, and copper input boxes

• monsters knocked back on ice or oil now slide more

• scale changes on entities is now animated (Bluddy)

• added a check to see if glsl extensions supported

• reworked multiplayer menus a little

• should no longer spawn Boulder traps above ground (Bluddy)

• added destroyed effects to monster traps

• made door breaking effect better

• now campfires contain sparks

• fixed pissing off gods blocked win conditions that don't exist (Castruccio)

• fixed UI options layout to not overlap background textures (Castruccio)

• removed clan screen hotkey (Castruccio)

• removed a bunch of old NPC relations help text (Castruccio)

• moved a few keyboard options around to fit better