[gegl/f13/master] (13 commits) ...don't leak "root" symbol (#642992)

[Nils Philippsen]

Summary of changes:

  8d9c722... Initialize branch F-12 for gegl (*)
  fc4839d... Fix typo that causes a failure to update the common directo (*)
  c5eb036... avoid buffer overflow in gegl_buffer_header_init() correct  (*)
  90ceecc... bump release (*)
  6a973de... ignore make check failures for now (*)
  aa6bafa... use tabs consistently let devel depend on gegl (*)
  f494227... devel depends on gtk-doc (*)
  e5d0909... build with -fno-strict-aliasing use PIC/PIE because gegl is (*)
  1227ed4... dist-git conversion (*)
  d3b9d2a... dist-git conversion (*)
  f98e9f8... Merge branch 'f13' (*)
  07dabae... Merge branch 'f12' (*)
  76c6968... don't leak "root" symbol (#642992) (*)

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