That's my assumption, my opinion, from just raiding with a Frost DK for quite some time now. I'll just give a sort synopsis on why I think this way.
1). Fallen Crusader - Increases all damage dealt from all abilities and heals you for 3% of your health, with twice the proc rate it had before. 15% strength is still very nice.
2). Razor Ice - Increases all frost damage by 10% as long as 5 stacs are on a target. This will work with any frost attack. It also causes 2% of your weapon damage as frost. Personally, I think the weapon damage should rise to 4%, I don't feel it's damage is valuable at all as compared to Fallen Crusader, even though Frost Strike is a large part (the largest for me) of my damage, my other attacks that I use are NOT frost based. Such as Obliterate, Blood Strike, and Regular melee attacks. Personally, I'd rather see this change completely, because it's only useful for boss fights, or single target DPS, when frost is probably the spec with the most AoE DPS in it.
3). Cinder-Glacier - Is alright. I think for the amount of proc chances i see right now, I'd like to increase it's charge by 1, or give it an additional benefit that does not rely on RNG.