haoqu.ma / gotty

add option for max connection

* No functional changes
* Updated golang to 1.6.1
* Fixed `go get` broken binary

* Bug fixes
* New option `--close-signal` to choose a signal sent to child processes

Log passed arguments

Remove a mutex unlock

i.e:

    2015/10/12 18:14:11 127.0.0.1:56983 200 GET /auth_token.js
    2015/10/12 18:14:11 New client connected: 127.0.0.1:56984
    2015/10/12 18:14:11 127.0.0.1:56984 passed arguments are: "--server_id XXXXXXXXXXXXXXX --type serial --auth_token YYYYYYYYYYYYYYYY"
    2015/10/12 18:14:11 Command is running for client 127.0.0.1:56984 with PID 95770
    2015/10/12 18:14:11 127.0.0.1:56984 101 GET /ws
    2015/10/12 18:14:11 Command exited for: 127.0.0.1:56984

Add a Gitter chat badge to README.md

fix typo

Using a mutex

* Bug fixes
* SSL/TLS client certificate authentication support by @freakhill and @uovobw
* New option `--permit-argument` to allow client to provide command line arguments by @QuentinPerez

Thanks to @rgawenda at #65.

Added handling of —permit-arguments option

support for client certificate

Add 'Server' HTTP header with current GoTTY version

    $ curl -I http://gotty.server/
    HTTP/1.1 200 OK
    Accept-Ranges: bytes
    Content-Length: 407
    Content-Type: text/html; charset=utf-8
    Last-Modified: Fri, 02 Oct 2015 08:04:28 GMT
    Server: GoTTY/0.0.10
    Date: Fri, 02 Oct 2015 08:04:28 GMT

Added mutex to avoid concurrent writes

fix typo

Add relevant logic