overall cleanup, more tests, fixing clashes, removing unwraps, hardening against protocol errors, prepare prio mgr to take commands from scheduler

fix async_recv and double block_on panic on Network::drop and participant::drop
include Cargo.lock from all examples
Found a bug on imbris runners with doc tests of `stream::send` and `stream::recv`
As neither a backtrace, nor tracing on runners in the doc tests seems to help, i disable them and add them as unit tests

network/examples/fileshare/Cargo.lock

@@ -1010,7 +1010,6 @@ version = "0.1.0"
 dependencies = [
  "async-std",
  "bincode",
- "byteorder",
  "futures",
  "lazy_static",
  "prometheus",

network/examples/fileshare/Cargo.toml

@@ -17,6 +17,6 @@ futures = "0.3"
 tracing = "0.1"
 tracing-subscriber = "0.2.3"
 bincode = "1.2"
-serde = "1.0"
+serde = { version = "1.0", features = ["derive"] }
 rand = "0.7.3"
 shellexpand = "2.0.0"

network/examples/fileshare/src/main.rs

@@ -1,5 +1,8 @@
 #![feature(async_closure, exclusive_range_pattern)]
-
+//!run with
+//! (cd network/examples/fileshare && RUST_BACKTRACE=1 cargo run --profile=release -Z unstable-options  -- --trace=info --port 15006)
+//! (cd network/examples/fileshare && RUST_BACKTRACE=1 cargo run --profile=release -Z unstable-options  -- --trace=info --port 15007)
+//! ```
 use async_std::{io, path::PathBuf};
 use clap::{App, Arg, SubCommand};
 use futures::{
@@ -152,7 +155,7 @@ async fn client(mut cmd_sender: mpsc::UnboundedSender<LocalCommand>) {
                 cmd_sender.send(LocalCommand::Disconnect).await.unwrap();
             },
             ("connect", Some(connect_matches)) => {
-                let socketaddr = connect_matches.value_of("ipport").unwrap().parse().unwrap();
+                let socketaddr = connect_matches.value_of("ip:port").unwrap().parse().unwrap();
                 cmd_sender
                     .send(LocalCommand::Connect(Address::Tcp(socketaddr)))
                     .await

network/examples/fileshare/src/server.rs

@@ -28,7 +28,7 @@ impl Server {
         let (command_sender, command_receiver) = mpsc::unbounded();
 
         let thread_pool = ThreadPoolBuilder::new().build();
-        let network = Network::new(Pid::new(), &thread_pool);
+        let network = Network::new(Pid::new(), &thread_pool, None);
 
         let run_channels = Some(ControlChannels { command_receiver });
         (