1.5.0

CHANGES:

• Filter out empty paths from OCAMLPATH and PATH (#1436, @rgrinberg)

• Do not add the lib.cma.js target in lib's directory. Put this target in a
  sub directory instead. (#1435, fix #1302, @rgrinberg)

• Install generated OCaml files with a .ml rather than a .ml-gen extension
  (#1425, fix #1414, @rgrinberg)

• Allow to use the bigarray library in >= 4.07 without ocamlfind and without
  installing the corresponding otherlib. (#1455, @nojb)

• Add @all alias to build all targets defined in a directory (#1409, fix
  #1220, @rgrinberg)

• Add @check alias to build all targets required for type checking and tooling
  support. (#1447, fix #1220, @rgrinberg)

• Produce the odoc index page with the content wrapper to make it consistent
  with odoc's theming (#1469, @rizo)

• Unblock signals in processes started by dune (#1461, fixes #1451,
  @diml)

• Respect OCAMLFIND_TOOLCHAIN and add a toolchain option to contexts in the
  workspace file. (#1449, fix #1413, @rgrinberg)

• Fix error message when using copy_files stanza to copy files from
  a non sub directory with lang set to dune < 1.3 (#1486, fixes #1485,
  @NathanReb)

• Install man pages in the correct subdirectory (#1483, fixes #1441, @emillon)

• Fix version syntax check for test stanza's action field. Only
  emits a warning for retro-compatibility (#1474, fixes #1471,
  @NathanReb)

• Fix interpretation of paths in env stanzas (#1509, fixes #1508, @diml)

• Add context_name expansion variable (#1507, @rgrinberg)

• Use shorter paths for generated on-demand ppx drivers. This is to
  help Windows builds where paths are limited in length (#1511, fixes
  #1497, @diml)

• Fix interpretation of environment variables under setenv. Also forbid
  dynamic environment names or values (#1503, @rgrinberg).