[elpa] externals/exwm updated (bd99d8c -> f70bdb5)

[Chris Feng]

ch11ng pushed a change to branch externals/exwm.

      from  bd99d8c   Support monitor mirroring
       new  4ac0d6c   Clarify the usage of `exwm-manage-configurations'
       new  f70bdb5   Add compatibility mode for legacy servers


Summary of changes:
 exwm-manage.el |  24 ++++++++++-
 exwm-randr.el  | 132 +++++++++++++++++++++++++++++++++++++++++----------------
 2 files changed, 119 insertions(+), 37 deletions(-)