[epiphany] (3 commits) Non-fast-forward update to branch mcatanzaro/crash-error-page

[Jan-Michael Brummer <jbrummer src gnome org>]

The branch 'mcatanzaro/crash-error-page' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  aff53f4... web-view: improve web process crash error page

Commits added to the branch:

  eaf9074... build: Fix build on non-Linux systems (*)
  e95c0dd... Improve instructions for running valgrind (*)
  a11da78... web-view: improve web process crash error page

(*) This commit already existed in another branch; no separate mail sent