Add tasks for all the new languages

Task/ABC-Problem/Swift/abc-problem.swift

@@ -0,0 +1,33 @@
+import Foundation
+
+func Blockable(str: String) -> Bool {
+
+    var blocks = [
+        "BO", "XK", "DQ", "CP", "NA", "GT", "RE", "TG", "QD", "FS",
+        "JW", "HU", "VI", "AN", "OB", "ER", "FS", "LY", "PC", "ZM" ]
+
+    var strUp = str.uppercaseString
+    var final = ""
+
+    for char: Character in strUp {
+        var CharString: String = ""; CharString.append(char)
+        for j in 0..<blocks.count {
+            if blocks[j].hasPrefix(CharString) ||
+               blocks[j].hasSuffix(CharString) {
+                final.append(char)
+                blocks[j] = ""
+                break
+            }
+        }
+    }
+
+    return final == strUp
+}
+
+func CanOrNot(can: Bool) -> String {
+    return can ? "can" : "cannot"
+}
+
+for str in [ "A", "BARK", "BooK", "TrEaT", "comMON", "sQuAd", "Confuse" ] {
+    println("'\(str)' \(CanOrNot(Blockable(str))) be spelled with blocks.")
+}