Merge branch 'develop-56' into dev56_PA

README.md

+# Meso-NH / EOL : 
+
+- Before the clone : install Large File Storage (LFS)
+```
+export PATH="/soft/irsrvsoft1/expl/eb/r11/centos_7/easybuild/software/Core/git-lfs/2.11.0/bin:${PATH}"
+git lfs install
+git lfs fetch --all
+```
+- Clone with https : 
+```
+git clone https://gitlab.ifpen.fr/r174/eolien/meso-nh/eol.git
+```
+- Compile :
+```
+cd src/
+./configure
+./job_make_mesonh_pc_ifpen
+```