[elpa] externals/standard-themes updated (9cf6f990db -> e71fdd5d31)

[ELPA Syncer]

elpasync pushed a change to branch externals/standard-themes.

      from  9cf6f990db Add support for ztree package
       new  d4f608327e Add support for built-in ert faces
       new  763d40717f Add support for built-in erc faces
       new  e71fdd5d31 Document support for ztree package


Summary of changes:
 README.org         |  4 +++-
 standard-themes.el | 28 ++++++++++++++++++++++++++++
 2 files changed, 31 insertions(+), 1 deletion(-)