[beast] (12 commits) ...Merge branch 'migrate-procs'

[Tim Janik <timj src gnome org>]

Summary of changes:

  6a89bc4... BSE: move Item.check_is_a into bseapi.idl
  a430999... BST: adjust to use Item.check_is_a()
  dc75f1b... BSE: move Item.get_project and undo grouping into bseapi.id
  ccf3880... BST: adjust to use Item.get_project() and Item.[un]group_un
  c34fd8f... BSE: move most Bse::Item methods into bseapi.idl
  244bbd5... BST: adjust to use new Bse::Item methods
  a965965... BSE: move Bse::Item use/unuse/set_name/editable_property in
  4ddf135... BST: adjust to use new Bse::Item methods
  923312c... GXK: use std::isnan and std::isfinite
  aed78b7... SFI: add vector_erase_element() and copy_reordered()
  eafd91c... SFI: tests: add test function for vector_erase_element() an
  9da4963... Merge branch 'migrate-procs'