[gimp] (6 commits) Non-fast-forward update to branch wip/bug792787-debug-stacktrace-GUI

[Jehan Pagès <jehanp src gnome org>]

The branch 'wip/bug792787-debug-stacktrace-GUI' 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:

  db3259a... app: new error dialog to backtrace and encourage people to 
  d59ea52... app: reimplement gimp_get_stack_trace().
  3ab1f63... app, tools: add backtrace GUI for crashes as well.
  13c2b9e... app: add a "generate-backtrace" preference in GimpCoreConfi
  ecd2ae4... app: test G_OS_WIN32 rather than G_OS_UNIX for new backtrac

Commits added to the branch:

  dce3942... app: in GimpDashboard, more CPU-usage sampling fixes on Win (*)
  287dc3c... app: new error dialog to backtrace and encourage people to 
  cc7675e... app: reimplement gimp_get_stack_trace().
  dcefd47... app, tools: add backtrace GUI for crashes as well.
  b291042... app: add a "generate-backtrace" preference in GimpCoreConfi
  1a04c7b... app: test G_OS_WIN32 rather than G_OS_UNIX for new backtrac

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