update docker buildfile for 2.1

docker/Dockerfile

@@ -111,7 +111,7 @@ RUN mkdir GSL
 WORKDIR /home/binary_c/GSL
 RUN wget -N https://gitlab.eps.surrey.ac.uk/ri0005/GSL-RGI/repository/archive.zip -O GSL.zip
 RUN unzip GSL.zip
-RUN cd GSL-RGI-*/2.5 ; export CFLAGS="-O2 -mtune=generic -march=x86-64 -g"; ./configure --prefix=/home/binary_c ; make -j$(nproc); make install
+RUN cd GSL-RGI-*/2.6 ; export CFLAGS="-O2 -mtune=generic -march=x86-64 -g"; ./configure generic --prefix=/home/binary_c ; make -j$(nproc); make install
 RUN cd ; rm -rf GSL
 
 ############################################################
@@ -186,7 +186,7 @@ RUN cpanm Sort::Key
 RUN perl ./install_all.pl
 RUN cpanm Proc::ProcessTable
 RUN cpanm Cpanel::JSON::XS
-RUN cpanm -v ./binary_grid-2.01.tar.gz
+RUN cpanm -v ./binary_grid-2.1.tar.gz
 
 ############################################################
 # cleanup: cpanm and build directories