Update to the latest version of vesin

This brings support for partial PBC, and some speed improvements

Author: Luthaf

src/maketools/codecheck

@@ -75,6 +75,7 @@ fi
       -U__PLUMED_HAS_ASMJIT \
       -D__PLUMED_WRAPPER_CXX_EXPLICIT=explicit \
       --config-exclude=small_vector/ \
+      -i vesin.cpp \
       --template='[{file}:{line}] ({severity}) :{id}: {message}' \
       --enable=all --suppress=missingIncludeSystem --inline-suppr --force \
       $files

src/metatomic/import.sh src/metatomic/import-vesin.shsrc/metatomic/import.sh renamed to src/metatomic/import-vesin.sh

@@ -1,22 +1,19 @@
 #!/usr/bin/env bash
 
-path=$1
+version=$1
 
 if (($# != 1)) ; then
-echo "usage: $0 /path/to/vesin"
-echo
-echo "All the commands to run:"
-echo "    cd /some/dir/"
-echo "    git clone https://github.com/luthaf/vesin"
-echo "    cd /your/plumed2/src/metatomic"
-echo "    ./import.sh /some/dir/vesin"
-exit 0
+echo "usage: $0 <vesin-version>"
+exit 1
 fi
 
-bash -c "$path/create-single-cpp.py > /dev/null"
+rm -f vesin-single-build-v*.tar.gz
+wget https://github.com/Luthaf/vesin/releases/download/v$version/vesin-single-build-v$version.tar.gz
 
-cp $path/vesin/include/vesin.h vesin.h
-mv vesin-single-build.cpp vesin.cpp
+tar xf vesin-single-build-v$version.tar.gz
+
+mv vesin-single-build-nocuda.cpp vesin.cpp
+rm -f vesin-single-build.cpp
 
 # Patch files to follow PLUMED linter
 sed 's|#define VESIN_H|#define VESIN_H\n/*INDENT-OFF*/\n|