Add no_version example

Author: TeXitoi

examples/no_version.rs

@@ -0,0 +1,16 @@
+#[macro_use]
+extern crate structopt;
+
+use structopt::StructOpt;
+use structopt::clap::AppSettings;
+
+#[derive(StructOpt, Debug)]
+#[structopt(name = "no_version", about = "", version = "", author = "",
+            raw(global_settings = "&[AppSettings::DisableVersion]"))]
+struct Opt {
+}
+
+fn main() {
+    let opt = Opt::from_args();
+    println!("{:?}", opt);
+}