CP013: Add titles to new affinity papers.

Author: Gordon Brown

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, LEWG | 15 November 2017 | 12 January 2019 | _Work in Progress_ |
+| CP013 | [Executor properties for affinity-based execution <br> System topology discovery for heterogeneous & distributed computing](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_ |

affinity/cpp-20/dXXX1r0.md

@@ -1,4 +1,4 @@
-# D0796r3: Supporting Heterogeneous & Distributed Computing Through Affinity
+# DXXXXr0: Executor properties for affinity-based execution
 
 **Date: 2019-01-12**
 

affinity/cpp-20/dXXX2r0.md

@@ -1,4 +1,4 @@
-# D0796r3: Supporting Heterogeneous & Distributed Computing Through Affinity
+# DXXXXr0: System topology discovery for heterogeneous & distributed computing
 
 **Date: 2019-01-12**
 

affinity/index.md

@@ -3,7 +3,7 @@
 |   |   |
 |---|---|
 | ID | CP013 |
-| Name | Supporting Heterogeneous & Distributed Computing Through Affinity |
+| Name | Executor properties for affinity-based execution <br> System topology discovery for heterogeneous & distributed computing |
 | Target | ISO C++ SG1 SG14 |
 | Initial creation | 15 November 2017 |
 | Last update | 12 August 2018 |