Merge branch 'updated_contact_details' into 'master'

Updated contact details of most people

See merge request !7

data/contact.yaml

 people: [
   {
     name: Dr. Matthieu Schaller,
-    role: Project PI (Astro),
-    affil: "ICC, Durham University",
+    role: Project co-PI (Astro),
+    affil: "ICC, Durham University -- Leiden Observatory",
     href: "icc.dur.ac.uk/~jlvc76"
   },
   {
     name: Dr. Pedro Gonnet,
-    role: Project PI (CompSci),
-    affil: "ECS, Durham University"
+    role: Project co-PI (CompSci),
+    affil: "ECS, Durham University -- Google Switzerland"
   },
   {
     name: Dr. Aidan Chalk,
     role: "Developer",
-    affil: "STFC Daresbury Laboratory"
+    affil: "STFC Daresbury Laboratory",
+    expertise: "Parallelization, GPU, domain decomposition"
   },
   {
-    name: Mr. James S. Willis,
+    name: Dr. Peter Draper,
     role: "Developer",
     affil: "ICC, Durham University",
-    expertise: "Parallelization, Vectorization"
+    expertise: "Parallelization, domain decomposition",
+    href: "https://www.dur.ac.uk/physics/staff/profiles/?username=dph0pwd"
   },
   {
-    name: Dr. Peter Draper,
+    name: Mr. James S. Willis,
     role: "Developer",
     affil: "ICC, Durham University",
+    expertise: "Parallelization, Vectorization",
+    href: "https://www.dur.ac.uk/physics/staff/profiles/?username=rsrd54"
   },
   {
     name: Pr. Richard G. Bower,
     role: Astronomer,
     affil: "ICC, Durham University",
+    expertise: "Subgrid models",
     href: "http://community.dur.ac.uk/r.g.bower/"
   },
   {
     name: Dr. Bert Vandenbroucke,
     role: "Developer",
-    affil: "University of St Andrews",
-    href: "http://www-star.st-and.ac.uk/~bv7/"
+    affil: "University of St-Andrews",
+    href: "http://www-star.st-and.ac.uk/~bv7/",
+    expertise: "Hydrodynamics and numerical schemes"
+  },
+  {
+    name: Mr. Alexei Borissov,
+    role: "Developer",
+    affil: "DiRAC Software support team",
+    expertise: "Subgrid models"
   },
   {
     name: Mr. Stefan Arridge,
@@ -49,27 +61,19 @@ people: [
     href: "http://www.dur.ac.uk/joshua.borrow",
     affil: "ICC, Durham University",
   },
-  {
-    name: Pr. Tom Theuns,
-    role: Astronomer,
-    affil: "ICC, Durham University",
-    href: "http://icc.dur.ac.uk/~tt/"
-  },
   {
     name: Dr. Yves Revaz,
     role: Astronomer,
-    affil: "LASTRO, EPFL"
+    affil: "LASTRO, EPFL",
+    href: "https://people.epfl.ch/yves.revaz?lang=en",
+    expertise: "Subgrid models"
   },
   {
     name: Mr. Loic Hausammann,
     role: PhD Student (astronomy),
+    href: "https://people.epfl.ch/loic.hausammann?lang=fr",
     affil: "LASTRO, EPFL"
   },
-  {
-    name: Mr. Angus Lepper,
-    role: Computer Scientist,
-    affil: "DiRAC software team"
-  },
   {
     name: Dr. John A. Regan,
     role: Astronomer,