message: * Added version info to print of about command
diff: @@ -15,6 +15,7 @@ pub mod about_command {
  println_succ!("which provides a distributed-ledger-based foundation for");
  println_succ!("self-sovereign identity (https://sovrin.org/).");
  println!();
  + println_succ!("Version: {}", env!("CARGO_PKG_VERSION"));
  println_succ!("Apache License Version 2.0");
  println_succ!("Copyright 2017 Sovrin Foundation");
  println!();
  