V2.5.6 stable (#10961)

-  Fix cargo audit (#10921)
  - Add support for Energy Web Foundation's new chains (#10957)
  - Kaspersky AV whitelisting (#10919)
  - Avast whitelist script (#10900)
  - Docker images renaming (#10863)
  - Remove excessive warning (#10831)
  - Allow --nat extip:your.host.here.org (#10830)
  - When updating the client or when called from RPC, sleep should mean sleep (#10814)
  - added new ropsten-bootnode and removed old one (#10794)
  - ethkey no longer uses byteorder (#10786)
  - Do not drop the peer with None difficulty (#10772)
  - docs: Update Readme with TOC, Contributor Guideline. Update Cargo package descriptions (#10652)

ethcore/private-tx/src/encryptor.rs

@@ -60,7 +60,7 @@ pub trait Encryptor: Send + Sync + 'static {
 	) -> Result<Bytes, Error>;
 }
 
-/// Configurtion for key server encryptor
+/// Configuration for key server encryptor
 #[derive(Default, PartialEq, Debug, Clone)]
 pub struct EncryptorConfig {
 	/// URL to key server