Ethcore crate split part 1 (#6041)

* split out types into separate crate

* split out evm into its own crate

ethcore/src/verification/queue/mod.rs

@@ -115,6 +115,17 @@ pub enum Status {
 	Unknown,
 }
 
+impl Into<::block_status::BlockStatus> for Status {
+	fn into(self) -> ::block_status::BlockStatus {
+		use ::block_status::BlockStatus;
+		match self {
+			Status::Queued => BlockStatus::Queued,
+			Status::Bad => BlockStatus::Bad,
+			Status::Unknown => BlockStatus::Unknown,
+		}
+	}
+}
+
 // the internal queue sizes.
 struct Sizes {
 	unverified: AtomicUsize,