[libsbml] (4 commits) ...Compile serially again

[Zbigniew Jędrzejewski-Szmek]

Summary of changes:

  607c476... Some small build fixes (*)
  5fe0c8f... Remove old swig files and use separate dir for docs (*)
  1473b64... Patches for bindings (*)
  c4f4d0f... Compile serially again (*)

(*) This commit already existed in another branch; no separate mail sent