[elpa] externals/exwm updated (ad90af1 -> dbc06b5)

[Chris Feng]

ch11ng pushed a change to branch externals/exwm.

      from  ad90af1   Make `exwm-manage-ping-timeout' a user option
       new  98c8fd4   Improve multi-monitor performance
       new  dbc06b5   Add initial support for per-application configurations


Summary of changes:
 exwm-core.el   |  1 +
 exwm-manage.el | 50 +++++++++++++++++++++++++++++++++++++++++++-------
 exwm-randr.el  |  6 +++---
 3 files changed, 47 insertions(+), 10 deletions(-)