Add -c as alternative for --no-colour. Fix initial reset still being …

…output with --no-colour

Ref: #114

http.md

@@ -199,7 +199,7 @@ pass parameters like what port to use.
       N >= 2 – suppress startup except for auth data, if present
       N >= 3 – suppress all startup messages
 
-  --no-colour
+  -c --no-colour
 
     Don't colourise log output.
 

src/main.rs

@@ -105,8 +105,10 @@ fn result_main() -> Result<(), Error> {
     }?;
 
     if opts.loglevel < options::LogLevel::NoStartup {
-        print!("{}Hosting \"{}\" on port {}",
-               trivial_colours::Reset,
+        if opts.log_colour {
+            print!("{}", trivial_colours::Reset);
+        }
+        print!("Hosting \"{}\" on port {}",
                opts.hosted_directory.0,
                responder.socket.port());
         if responder.socket.ip() != IpAddr::from([0, 0, 0, 0]) {

src/options.rs

@@ -132,7 +132,7 @@ impl Options {
             .arg(Arg::from_usage("-e --no-encode 'Do not encode filesystem files. Default: false'"))
             .arg(Arg::from_usage("-x --strip-extensions 'Allow stripping index extentions from served paths. Default: false'"))
             .arg(Arg::from_usage("-q --quiet... 'Suppress increasing amounts of output'"))
-            .arg(Arg::from_usage("--no-colour 'Don't colourise the log output'"))
+            .arg(Arg::from_usage("-c --no-colour 'Don't colourise the log output'"))
             .arg(Arg::from_usage("-d --webdav 'Handle WebDAV requests. Default: false'"))
             .arg(Arg::from_usage("--ssl [TLS_IDENTITY] 'Data for HTTPS, identity file. Password in HTTP_SSL_PASS env var, otherwise empty'")
                 .validator(Options::identity_validator))