[eog] (11 commits) ...Merge branch 'meson-update' into 'master'

[Felix Riemann <friemann src gnome org>]

Summary of changes:

  2e9e28a... build: Do not use prefix on directory variables
  0f5c03b... build: Make use of the summary function
  7aad17c... build: Improve custom targets generation
  1d4a71e... build: Use a variable for project name
  495627a... build: Use format strings
  49ea893... build: Use strings for include_directories
  72d42a9... build: Use the post_install method
  1e4d326... build: Use get_variable method
  bca6f2e... build: Simplify jpegutils source file
  e1e6a83... build: Use i18n.merge_file for plugin files
  48f87c9... Merge branch 'meson-update' into 'master'