switch CI runner

.gitlab-ci.yml

@@ -17,7 +17,7 @@ build-serial:
       - gcc64/config.log
     expire_in: 5min
   tags:
-  - xen, mistral
+  - singularity, mistral
   only:
   - gitlab-ci
 
@@ -37,9 +37,9 @@ build-parallel:
     - mkdir gcc64-mpi && cd gcc64-mpi && ../configure CC=mpicc FC=mpif90  --with-netcdf=/sw/rhel6-x64/netcdf/netcdf_c-4.4.0-parallel-openmpi2-intel14 --with-szlib=/sw/rhel6-x64/sys/libaec-0.3.2-gcc48 --enable-iso-c-interface --with-jasper --with-grib_api=/sw/rhel6-x64/grib_api/grib_api-1.15.0-intel14 --enable-mpi && make -j2
   artifacts:
     paths:
-      - gcc64/config.log
+      - gcc64-mpi/config.log
     expire_in: 5min
   tags:
-  - xen, mistral
+  - singularity, mistral
   only:
   - gitlab-ci