namd: Move namd to standard lib/namd and symlink to bin

builder.sh

@@ -31,11 +31,12 @@ rm -rf plugins
 cp -r ../plugins .
 rm sb
 cp -r ../psfgen ./sb
-mkdir -p $out/multicore
-cp -r * $out/multicore
+mkdir -p $out/lib/namd
+cp -r * $out/lib/namd
 cd ..
 rm -rf Linux-x86_64-g++
 
-ln -s $out/multicore/namd2 $out/namd2
+mkdir -p $out/bin
+ln -s $out/lib/namd2 $out/bin/namd2