Update old references to the hipSYCL name

Author: illuhad

_data/authors.yml

@@ -1,7 +1,7 @@
 Aksel Alpay:
   name   : "Aksel Alpay"
   avatar : "/assets/images/avatar-aksel.png"
-  bio    : "hipSYCL and HPC @ Heidelberg University"
+  bio    : "AdaptiveCpp and HPC @ Heidelberg University"
   links:
     - label: "Twitter"
       icon: "fab fa-fw fa-twitter-square"

_pages/about.md

@@ -4,4 +4,4 @@ title: "About"
 author_profile: true
 ---
 
-This is the website and blog of the [hipSYCL](https://github.com/illuhad/hipSYCL) project - a modern SYCL  implementation with broad hardware support. Here, we discuss all things hipSYCL, SYCL, and heterogeneous computing.
+This is the website and blog of the [AdaptiveCpp](https://github.com/AdaptiveCpp/AdaptiveCpp) project (formerly known as hipSYCL / Open SYCL) - a modern SYCL and C++ standard parallelism offloading implementation with broad hardware support. Here, we discuss all things AdaptiveCpp, SYCL, and heterogeneous computing.