Move some descriptions to the right section

* etc/NEWS: Move ibuffer and gnus change descriptions to
mode-specific section.
2 jobs for master in 120 minutes and 1 second (queued for 1 second)
Status Job ID Name Coverage
  Test
failed #681
test-all

02:00:00

failed #682
test-filenotify-gio

02:00:00

 
Name Stage Failure
failed
test-filenotify-gio Test The script exceeded the maximum execution time set for the job
make[1]: Entering directory '/builds/emacs/emacs/test'
ELC lisp/filenotify-tests.elc
GEN lisp/filenotify-tests.log
Running 21 tests (2019-01-29 20:32:00+0000, selector `(not (tag :unstable))')
Library: `gfilenotify'
Monitor: `GInotifyFileMonitor'
passed 1/21 file-notify-test00-availability (0.006328 sec)
Pulling docker image gitlab/gitlab-runner-helper:x86_64-f100a208 ...
ERROR: Job failed: execution took longer than 2h0m0s seconds
failed
test-all Test The script exceeded the maximum execution time set for the job
  GEN      lisp/eshell/eshell-tests.log
ELC lisp/faces-tests.elc
GEN lisp/faces-tests.log
ELC lisp/ffap-tests.elc
GEN lisp/ffap-tests.log
ELC lisp/filenotify-tests.elc
GEN lisp/filenotify-tests.log
Pulling docker image gitlab/gitlab-runner-helper:x86_64-f100a208 ...
ERROR: Job failed: execution took longer than 2h0m0s seconds