Update README and docker

.gitlab-ci.yml

 # gitlab-ci file for fpm
 
 default:
-    image: rboman/waves-py3:2020.3
+    image: rboman/waves-py3:latest
     before_script:
         - source /opt/intel/mkl/bin/mklvars.sh intel64
         - source /opt/intel/tbb/bin/tbbvars.sh intel64

README.md

 # fpm
-Field panel method for solving transonic flows using the full potential equation
+Field panel method for solving transonic flows using the full potential equation\
+University of Liège\
+:warning: This code is a C++ implementation of [aero](github.com/acrovato/aero). However, the field module is not implemented yet. As such, only susbonic calculations *without transonic correction* can be carried out.
 
 ![](/dox/img.png)