update README and zenodo.json

Author: Remi-Gau

.zenodo.json

@@ -16,6 +16,14 @@
       "affiliation": "Université Catholique de Louvain",
       "name": "Battal, Ceren",
       "orcid": "0000-0002-9844-7630"
+    },
+    {
+      "affiliation": "Université Catholique de Louvain",
+      "name": "Falagiarda, Federica"
+    },
+    {
+      "affiliation": "Université Catholique de Louvain",
+      "name": "Shahzad, Iqra"
     }
   ],
   "keywords": [

README.md

@@ -13,8 +13,6 @@
 [![](https://img.shields.io/badge/Octave-CI-blue?logo=Octave&logoColor=white)](https://github.com/cpp-lln-lab/CPP_PTB/actions)
 ![](https://github.com/cpp-lln-lab/CPP_PTB/workflows/CI/badge.svg)
 
-[![Build Status](https://travis-ci.com/cpp-lln-lab/CPP_PTB.svg?branch=master)](https://travis-ci.com/cpp-lln-lab/CPP_PTB)
-
 [![codecov](https://codecov.io/gh/cpp-lln-lab/CPP_PTB/branch/master/graph/badge.svg)](https://codecov.io/gh/cpp-lln-lab/CPP_PTB)
 
 **Contributors**