Merge pull request #16 from arduino/readme-update

Add contribution guidelines, move download links

Author: Alice Pintus

README.md

@@ -1,16 +1,77 @@
 arduino-create-agent
-=======================
+====================
 
 Version X.XX
 
 Get the latest version of the Agent for all supported platforms:
 
-|  |  |  |
-| ------------- | ----------- | -------- |
-| Windows | [staging](http://downloads.arduino.cc/CreateBridge/ArduinoCreateAgent-1.0-windows-installer.exe) | [dev](http://downloads.arduino.cc/CreateBridge/staging/ArduinoCreateAgent-1.0-windows-installer.exe) |
-| MacOSX | [staging](http://downloads.arduino.cc/CreateBridge/ArduinoCreateAgent-1.0-osx-installer.dmg) | [dev](http://downloads.arduino.cc/CreateBridge/staging/ArduinoCreateAgent-1.0-osx-installer.dmg) |
-| Linux x64 | [staging](http://downloads.arduino.cc/CreateBridge/ArduinoCreateAgent-1.0-linux-x64-installer.run) | [dev](http://downloads.arduino.cc/CreateBridge/staging/ArduinoCreateAgent-1.0-linux-x64-installer.run) |
+* [Windows](http://downloads.arduino.cc/CreateBridge/ArduinoCreateAgent-1.0-windows-installer.exe)
+* [MacOSX](http://downloads.arduino.cc/CreateBridge/ArduinoCreateAgent-1.0-osx-installer.dmg)
+* [Linux x64](http://downloads.arduino.cc/CreateBridge/ArduinoCreateAgent-1.0-linux-x64-installer.run)
 
 arduino-create-agent is a fork of @johnlauer's serial-port-json-server (which we really want to thank for his kindness and great work)
 
 The history has been rewritten to keep the repo small (thus removing all binaries committed in the past)
+
+# Contributing
+
+Please use the current latest version:
+
+* [Windows dev](http://downloads.arduino.cc/CreateBridge/staging/ArduinoCreateAgent-1.0-windows-installer.exe)
+* [MacOSX dev](http://downloads.arduino.cc/CreateBridge/staging/ArduinoCreateAgent-1.0-osx-installer.dmg) 
+* [Linux x64 dev](http://downloads.arduino.cc/CreateBridge/staging/ArduinoCreateAgent-1.0-linux-x64-installer.run)
+
+## Submitting an issue
+
+Please attach the output of the commands running at http://localhost:8989 if useful.
+
+## Submitting a pull request
+
+We are glad you want to contribute with code: that's the best way to help this software.
+
+Your contribution is adding or modifying existing behaviour, please always refer to an existing issue or open a new one before contributing. We are are trying to use [Test Driven Development](https://en.wikipedia.org/wiki/Test-driven_development) in the near future: please add one or more tests that prove that your contribution is good and is working as expected, it will help us a lot.
+
+Be sure to use `go vet` and `go fmt` on every file before each commit: it ensures your code is properly formatted.
+
+Also, for your contribution to be accepted, everyone of your commits must be "Signed-off". This is done by commiting using this command: `git commit --signoff`
+
+By signing off your commits, you agree to the following agreement, also known as [Developer Certificate of Origin](http://developercertificate.org/): it assures everyone that the code you're submitting is yours or that you have rights to submit it.
+
+```
+Developer Certificate of Origin
+Version 1.1
+
+Copyright (C) 2004, 2006 The Linux Foundation and its contributors.
+660 York Street, Suite 102,
+San Francisco, CA 94110 USA
+
+Everyone is permitted to copy and distribute verbatim copies of this
+license document, but changing it is not allowed.
+
+
+Developer's Certificate of Origin 1.1
+
+By making a contribution to this project, I certify that:
+
+(a) The contribution was created in whole or in part by me and I
+    have the right to submit it under the open source license
+    indicated in the file; or
+
+(b) The contribution is based upon previous work that, to the best
+    of my knowledge, is covered under an appropriate open source
+    license and I have the right under that license to submit that
+    work with modifications, whether created in whole or in part
+    by me, under the same open source license (unless I am
+    permitted to submit under a different license), as indicated
+    in the file; or
+
+(c) The contribution was provided directly to me by some other
+    person who certified (a), (b) or (c) and I have not modified
+    it.
+
+(d) I understand and agree that this project and the contribution
+    are public and that a record of the contribution (including all
+    personal information I submit with it, including my sign-off) is
+    maintained indefinitely and may be redistributed consistent with
+    this project or the open source license(s) involved.
+```