Update README to link to new contribution section

Author: Denton-L

README.md

@@ -14,7 +14,6 @@ Solidity is still under development. So please do not hesitate and open an [issu
 See the [Solidity documentation](http://solidity.readthedocs.io/en/latest/installing-solidity.html#building-from-source) for build instructions.
 
 ## How to Contribute
-This repository uses the same [coding style](https://github.com/ethereum/cpp-ethereum/blob/develop/CodingStandards.txt) as
-all of the cpp-ethereum projects. Please try to align with us in the Gitter channel before making larger changes.
+Please see our contribution guidelines in [the Solidity documentation](http://solidity.readthedocs.io/en/latest/contributing.html).
 
 Any contributions are welcome!

docs/contributing.rst

@@ -41,9 +41,12 @@ If you need to pull in any changes from ``develop`` after making your fork (for
 example, to resolve potential merge conflicts), please avoid using ``git merge``
 and instead, ``git rebase`` your branch.
 
-Additionally, if you are writing a feature, please ensure you write appropriate
+Additionally, if you are writing a new feature, please ensure you write appropriate
 Boost test cases and place them under ``test/``.
 
+However, if you are making a larger change, please consult with the Gitter
+channel, first.
+
 Finally, please make sure you respect the `coding standards
 <https://raw.githubusercontent.com/ethereum/cpp-ethereum/develop/CodingStandards.txt>`_
 for this project. Also, even though we do CI testing, please test your code and