[elpa] externals/org updated (20b33106cd -> f7aa8c19f5)

[ELPA Syncer]

elpasync pushed a change to branch externals/org.

      from  20b33106cd org-element-headline-parser: Fix empty headings with tags
       new  5a52ee57d4 org-macs.el: Move UUID related code
       new  cb95d88936 ob-R.el/ob-python: Update `md5' calls to `org-id-uuid'
       new  180c1c37a9 ob-comint.el: Fix off-by-one error in async result
       new  f7aa8c19f5 ob-shell.el: Add async evaluation


Summary of changes:
 lisp/ob-R.el                  |  2 +-
 lisp/ob-comint.el             |  2 +-
 lisp/ob-python.el             |  2 +-
 lisp/ob-shell.el              | 54 ++++++++++++++++++++++++++++++++-----------
 lisp/org-id.el                | 24 -------------------
 lisp/org-macs.el              | 32 +++++++++++++++++++++++++
 lisp/org.el                   |  4 ----
 testing/lisp/test-ob-shell.el | 54 +++++++++++++++++++++++++++++++++++++++++++
 8 files changed, 130 insertions(+), 44 deletions(-)