Migrate to use pallet! (#355)

* migrate auction module

* migrate authority module

* migrate tokens module

* fix clippy

Author: wangjj9219

auction/Cargo.toml

@@ -11,24 +11,21 @@ edition = "2018"
 serde = { version = "1.0.111", optional = true }
 codec = { package = "parity-scale-codec", version = "1.3.0", default-features = false }
 sp-runtime = { version = "2.0.1", default-features = false }
-sp-io = { version = "2.0.1", default-features = false }
 sp-std = { version = "2.0.1", default-features = false }
-
 frame-support = { version = "2.0.1", default-features = false }
 frame-system = { version = "2.0.1", default-features = false }
-
 orml-traits = { path = "../traits", version = "0.3.3-dev", default-features = false }
 
 [dev-dependencies]
 sp-core = { version = "2.0.1", default-features = false }
+sp-io = { version = "2.0.1", default-features = false }
 
 [features]
 default = ["std"]
 std = [
 	"serde",
 	"codec/std",
 	"sp-runtime/std",
-	"sp-io/std",
 	"sp-std/std",
 	"frame-support/std",
 	"frame-system/std",