Bump idna to 0.2

Cargo.toml

@@ -44,7 +44,7 @@ heap_size = ["heapsize"]
 [dependencies]
 encoding = {version = "0.2", optional = true}
 heapsize = {version = ">=0.4.1, <0.5", optional = true}
-idna = { version = "0.1.0", path = "./idna" }
+idna = { version = "0.2.0", path = "./idna" }
 matches = "0.1"
 percent-encoding = { version = "1.0.0", path = "./percent_encoding" }
 rustc-serialize = {version = "0.3", optional = true}

idna/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "idna"
-version = "0.1.5"
+version = "0.2.0"
 authors = ["The rust-url developers"]
 description = "IDNA (Internationalizing Domain Names in Applications) and Punycode."
 repository = "https://github.com/servo/rust-url/"