Added special config for compiling a static version in gitlab-ci

cmake/machines/INTEL_DOCKER_STATIC.sh

+#Set the compilers to mpiifort, mpiicc, mpiicpc
+export FC=${FC:=mpiifort}
+export CC=${CC:=gcc}
+export CXX=${CXX:=mpiicpc}
+
+#Special flags for docker image
+export FLEUR_LIBRARIES="/usr/local/intel/compilers_and_libraries_2018.1.163/linux/mkl/lib/intel64/libmkl_scalapack_lp64.a -Wl,--start-group /usr/local/intel/compilers_and_libraries_2018.1.163/linux/mkl/lib/intel64/libmkl_intel_lp64.a /usr/local/intel/compilers_and_libraries_2018.1.163/linux/mkl/lib/intel64/libmkl_intel_thread.a /usr/local/intel/compilers_and_libraries_2018.1.163/linux/mkl/lib/intel64/libmkl_core.a /usr/local/intel/compilers_and_libraries_2018.1.163/linux/mkl/lib/intel64/libmkl_blacs_intelmpi_lp64.a /usr/local/intel/compilers_and_libraries_2018.1.163/linux/compiler/lib/intel64/libiomp5.a -Wl,--end-group -Wl,-Bstatic -liomp5 -lxml2 -lz -llzma   -Wl,-Bdynamic  -lpthread -lm -ldl -Wl,-Bstatic -lxcf03 -lxc"
+
+export CMAKE_Fortran_FLAGS="-axAVX,SSE2 -qopenmp-link static -static_mpi -static-intel"
+
+
+