Add timestamp to log messages

Upgraded env_logger and now we have timestamps and colorful messages.

Fixes #318

Cargo.toml

@@ -61,8 +61,8 @@ ring = "0.12.1"
 untrusted = "0.5.1"
 bincode = "1.0.0"
 chrono = { version = "0.4.0", features = ["serde"] }
-log = "0.4.1"
-env_logger = "0.4.1"
+log = "0.4.2"
+env_logger = "0.5.10"
 matches = "0.1.6"
 byteorder = "1.2.1"
 libc = "0.2.1"

src/bin/client-demo.rs

@@ -38,7 +38,7 @@ fn print_usage(program: &str, opts: Options) {
 }
 
 fn main() {
-    env_logger::init().unwrap();
+    env_logger::init();
     let mut threads = 4usize;
     let mut num_nodes = 1usize;
 

src/bin/fullnode.rs

@@ -33,7 +33,7 @@ fn print_usage(program: &str, opts: Options) {
 }
 
 fn main() {
-    env_logger::init().unwrap();
+    env_logger::init();
     let mut opts = Options::new();
     opts.optopt("l", "", "load", "load my identity to path.json");
     opts.optflag("h", "help", "print help");