Bulk cancel (#11)

* Added Bulk Cancel for 100 items

* Bugfix: filter out tradeskills that don't craft

* Remove excess prints

TradeSkillMaster_Auctioning/locale/zhCN.lua

@@ -105,6 +105,7 @@ L["General Reset Settings"] = "常规转卖设置"
 L["General Settings"] = "常规设定"
 L["Give the new operation a name. A descriptive name will help you find this operation later."] = "为新操作命名，一个描述性的名称将方便您找到它。"
 L["Help"] = "帮助"
+-- L["Hold Alt to cancel 100 auctions at a time"] = ""
 L["How long auctions should be up for."] = "拍卖持续时间。"
 L["How many auctions at the lowest price tier can be up at any one time. Setting this to 0 disables posting for any groups this operation is applied to."] = "发布商品的数量上限。设置为0时会使任何应用此操作的分组无法发布拍卖。"
 L["How many items should be in a single auction, 20 will mean they are posted in stacks of 20."] = "一次拍卖发布多少个物品,20意味着物品将以20个为堆叠发布."