CP013: Split D0796r4 into two separate papers.

* Create dXXX1r0 and dXXX2r0 (awaiting paper numbers).
* Update README and summary pages.

Author: Gordon

README.md

@@ -51,7 +51,7 @@ Each proposal in the table below will be tagged with one of the following states
 | CP009 | [Async Work Group Copy & Prefetch Builtins](async-work-group-copy/index.md) | SYCL 1.2.1 | 07 August 2017 | 07 August 2017 | _Accepted with changes_ |
 | CP011 | [Mem Fence Builtins](mem-fence/index.md) | SYCL 1.2.1 | 11 August 2017 | 9 September 2017 | _Accepted_ |
 | CP012 | [Data Movement in C++](data-movement/index.md) | ISO C++ SG1, SG14 | 30 May 2017 | 28 August 2017 | _Work in Progress_ |
-| CP013 | [Supporting Heterogeneous & Distributed Computing Through Affinity](affinity/index.md) | ISO C++ SG1, SG14 | 15 November 2017 | 12 August 2018 | _Work in Progress_ |
+| CP013 | [Supporting Heterogeneous & Distributed Computing Through Affinity](affinity/index.md) | ISO C++ SG1, SG14, LEWG | 15 November 2017 | 12 January 2019 | _Work in Progress_ |
 | CP014 | [Shared Virtual Memory](svm/index.md) | SYCL 2.2 | 22 January 2018 | 22 January 2018 | _Work in Progress_ |
 | CP015 | [Specialization Constant](spec-constant/index.md) | SYCL 1.2.1 extension / SYCL 2.2 | 24 April 2018 | 24 April 2018 | _Work in Progress_ |
 | CP019 | [On-chip Memory Allocation](onchip-memory/index.md) | SYCL 1.2.1 extension / SYCL 2.2 | 03 December 2018 | 03 December 2018 | _Work in Progress_ |