Update README.md

- remove references to the mailing list (as suggested by Riya)
 - add links to the community forum
 - update copyright year

//FREEBIE
Closes #1087

README.md

@@ -13,12 +13,15 @@ Instructions on how to setup your development environment and build Signal-iOS c
 
 If you're new to the Signal-iOS codebase, we recommend going through our issues and picking out a simple bug to fix (check the "easy" label in our issues) in order to get yourself familiar.
 
-For larger changes and feature ideas, we ask that you propose it on the mailing list for a high-level discussion before implementation.
+For larger changes and feature ideas, we ask that you propose it on the [unofficial Community Forum](https://whispersystems.discoursehosting.net) for a high-level discussion with the wider community before implementation.
 
 This repository is set up with [BitHub](https://whispersystems.org/blog/bithub/), so you can make money for committing to Signal-iOS. The current BitHub price for an accepted pull request is:
 
 [![Current BitHub Price](https://bithub.herokuapp.com/v1/status/payment/commit/)](https://whispersystems.org/blog/bithub/)
 
+## Contributing Ideas
+Have something you want to say about Open Whisper Systems projects or want to be part of the conversation? Get involved in the [community forum](https://whispersystems.discoursehosting.net).
+
 ## Cryptography Notice
 
 This distribution includes cryptographic software. The country in which you currently reside may have restrictions on the import, possession, use, and/or re-export to another country, of encryption software. 
@@ -30,6 +33,6 @@ The form and manner of this distribution makes it eligible for export under the
 
 ## License
 
-Copyright 2014 Open Whisper Systems
+Copyright 2014-2016 Open Whisper Systems
 
 Licensed under the GPLv3: http://www.gnu.org/licenses/gpl-3.0.html