Move bforest into a separate crate

cranelift/README.md

@@ -79,6 +79,7 @@ Building with no\_std
 
 The following crates support \`no\_std\`:
  - cranelift-entity
+ - cranelift-bforest
  - cranelift-codegen
  - cranelift-frontend
  - cranelift-native

cranelift/publish-all.sh

@@ -36,7 +36,7 @@ cargo update
 echo git commit -a -m "\"Bump version to $version"\"
 echo git push
 for crate in \
-    entity codegen/meta codegen frontend native \
+    entity bforest codegen/meta codegen frontend native \
     reader wasm module simplejit \
     faerie umbrella
 do