Add support for docker networks

commit 55008eea85dace74acc625914e11d87d15a46b1e
Author: Alexander Kirillov <saratovsource@gmail.com>
Date:   Mon Apr 3 22:47:34 2017 +0400

    Some DRY

commit c9173593eb9827b30071cb6e42d439ec3d4c3bb1
Author: Alexander Kirillov <saratovsource@gmail.com>
Date:   Mon Apr 3 22:42:35 2017 +0400

    Connect container to network

commit 8d68406ef4c69c98e43b7b28923a78e1e9672955
Author: Alexander Kirillov <saratovsource@gmail.com>
Date:   Mon Apr 3 22:09:58 2017 +0400

    Create docker network

commit 868e2076988c0b16f6d5a200cf12e77f5bffaeab
Author: Alexander Kirillov <saratovsource@gmail.com>
Date:   Mon Apr 3 18:49:12 2017 +0400

    Delete network

commit 58a08e77e5984847589eeb35bc097c8949752619
Author: Alexander Kirillov <saratovsource@gmail.com>
Date:   Mon Apr 3 18:42:28 2017 +0400

    Add inspect docker network

commit 9fa4143013aa43aaf73645b19565d6e606489952
Author: Alexander Kirillov <saratovsource@gmail.com>
Date:   Mon Apr 3 18:03:02 2017 +0400

    Add list networks

6 files changed, 92 insertions, 0 deletions

diff --git a/examples/networkconnect.rs b/examples/networkconnect.rs
new file mode 100644
index 0000000..165510b
--- /dev/null
+++ b/examples/networkconnect.rs
@@ -0,0 +1,16 @@
+extern crate shiplift;
+
+use shiplift::{ContainerConnectionOptions, Docker};
+use std::env;
+
+fn main() {
+    let docker = Docker::new();
+    let networks = docker.networks();
+    let container_id = env::args().nth(1).unwrap();
+    let network_id = env::args().nth(2).unwrap();
+    let info = networks
+        .get(&network_id)
+        .connect(&ContainerConnectionOptions::new(&container_id))
+        .unwrap();
+    println!("{:?}", info);
+}
diff --git a/examples/networkcreate.rs b/examples/networkcreate.rs
new file mode 100644
index 0000000..b78ddd0
--- /dev/null
+++ b/examples/networkcreate.rs
@@ -0,0 +1,17 @@
+extern crate shiplift;
+
+use shiplift::{NetworkCreateOptions, Docker};
+use std::env;
+
+fn main() {
+    let docker = Docker::new();
+    let networks = docker.networks();
+    if let Some(network_name) = env::args().nth(1) {
+        let info = networks.create(
+            &NetworkCreateOptions::builder(network_name.as_ref())
+                .driver("bridge")
+                .build()
+        ).unwrap();
+        println!("{:?}", info);
+    }
+}
diff --git a/examples/networkdelete.rs b/examples/networkdelete.rs
new file mode 100644
index 0000000..e67b798
--- /dev/null
+++ b/examples/networkdelete.rs
@@ -0,0 +1,15 @@
+extern crate shiplift;
+
+use shiplift::Docker;
+use std::env;
+
+fn main() {
+    let docker = Docker::new();
+    if let Some(id) = env::args().nth(1) {
+        let status = docker.networks()
+            .get(&id)
+            .delete()
+            .unwrap();
+        println!("{:?}", status);
+    }
+}
diff --git a/examples/networkdisconnect.rs b/examples/networkdisconnect.rs
new file mode 100644
index 0000000..b3e0721
--- /dev/null
+++ b/examples/networkdisconnect.rs
@@ -0,0 +1,16 @@
+extern crate shiplift;
+
+use shiplift::{ContainerConnectionOptions, Docker};
+use std::env;
+
+fn main() {
+    let docker = Docker::new();
+    let networks = docker.networks();
+    let container_id = env::args().nth(1).unwrap();
+    let network_id = env::args().nth(2).unwrap();
+    let info = networks
+        .get(&network_id)
+        .disconnect(&ContainerConnectionOptions::new(&container_id))
+        .unwrap();
+    println!("{:?}", info);
+}
diff --git a/examples/networkinspect.rs b/examples/networkinspect.rs
new file mode 100644
index 0000000..f290f93
--- /dev/null
+++ b/examples/networkinspect.rs
@@ -0,0 +1,15 @@
+extern crate shiplift;
+
+use shiplift::Docker;
+use std::env;
+
+fn main() {
+    let docker = Docker::new();
+    if let Some(id) = env::args().nth(1) {
+        let network = docker.networks()
+            .get(&id)
+            .inspect()
+            .unwrap();
+        println!("{:?}", network);
+    }
+}
diff --git a/examples/networks.rs b/examples/networks.rs
new file mode 100644
index 0000000..18767d1
--- /dev/null
+++ b/examples/networks.rs
@@ -0,0 +1,13 @@
+extern crate shiplift;
+extern crate env_logger;
+
+use shiplift::Docker;
+
+fn main() {
+    env_logger::init().unwrap();
+    let docker = Docker::new();
+    for c in docker.networks().
+        list(&Default::default()).unwrap() {
+            println!("network -> {:?}", c)
+        }
+}