Merge #415: Fix docs for node and jsonrpc

4defca4 Add node crate crate level docs (Jamil Lambert, PhD)
8b9663b Remove doc_auto_cfg from node and jsonrpc crates (Jamil Lambert, PhD)

Pull request description:

  The docs do not appear on crates.io for `0.10.1` because of `doc_auto_cfg`.

  - Remove the attribute from `node` and `jsonrpc`
  - Add a crate level doc for `node` which was missing.

  Closes #414

ACKs for top commit:
  tcharding:
    ACK 4defca4

Tree-SHA512: 6e1e013138d2012fa81c5709db8d01c68e974ada3b26ce6a0063cbc61dd0341f34a6f104cef8c14a5392135bbc15a6374daf32cae32eff49a3c1e419ff4fea7a

Author: tcharding

jsonrpc/src/lib.rs

@@ -4,7 +4,6 @@
 //!
 //! Rust support for the JSON-RPC 2.0 protocol.
 
-#![cfg_attr(docsrs, feature(doc_auto_cfg))]
 // Coding conventions
 #![warn(missing_docs)]
 

node/src/lib.rs

@@ -1,4 +1,9 @@
-#![cfg_attr(docsrs, feature(doc_auto_cfg))]
+// SPDX-License-Identifier: CC0-1.0
+
+//! # Rust Bitcoin Core node harness
+//!
+//! Utilities used to spin up, configure and drive `bitcoind` instances.
+
 #![cfg_attr(docsrs, cfg_attr(all(), doc = include_str!("../README.md")))]
 
 pub extern crate corepc_client as client;