[elpa] externals/org updated (1a9d0850b6 -> a12d15df98)

[ELPA Syncer]

elpasync pushed a change to branch externals/org.

      from  1a9d0850b6 org-persist: Do not re-download url files on write
       new  4c90e0b613 org-table: Require org-fold-core
       new  8880cca3d6 ob-core: Revert space misalignment from recent commit
       new  a12d15df98 org-display-inline-remove-overlay: Do better job 
clearing images from cache


Summary of changes:
 lisp/ob-core.el   | 4 ++--
 lisp/org-table.el | 1 +
 lisp/org.el       | 4 ++++
 3 files changed, 7 insertions(+), 2 deletions(-)