[openslide/el6/master] (31 commits) ...Merge branches 'f12', 'f13', 'f14' and 'el6'

[Adam Goode]

Summary of changes:

  75aecf4... Initialize branch F-12 for openslide (*)
  662727a... - New upstream release Fix thread safety (not really lockle (*)
  e829266... Fix typo that causes a failure to update the common directo (*)
  745bfc6... Fix typo that causes a failure to update the common directo (*)
  6a6226a... - New upstream release Support for generic tiled TIFF Bug f (*)
  b8f04f9... - New upstream release Support for generic tiled TIFF Bug f (*)
  900fb87... - New upstream release License change from GPLv2 to LGPLv2  (*)
  3eb38f4... - New upstream release License change from GPLv2 to LGPLv2  (*)
  96eaf2b... - New upstream release Fix rendering of the edges of TIFF f (*)
  dbbbb27... - New upstream release Fix rendering of the edges of TIFF f (*)
  ef44562... Initialize branch F-13 for openslide (*)
  443dd6e... - New upstream release Allow building on RHEL (*)
  9af2107... - New upstream release Fix nasty MIRAX seam problem (*)
  f1c8c76... - New upstream release Fix nasty MIRAX seam problem (*)
  ceb5f08... - New upstream release Fix nasty MIRAX seam problem (*)
  49fcccd... - New upstream release Support newer Aperio files (compress (*)
  264e141... - New upstream release Support newer Aperio files (compress (*)
  033fd28... - New upstream release Support newer Aperio files (compress (*)
  f1cdc37... - New upstream release Don't crash or leak memory on some i (*)
  a6e56a3... - New upstream release Don't crash or leak memory on some i (*)
  9e111d9... - New upstream release Don't crash or leak memory on some i (*)
  7adac1c... - New upstream release Add openslide-write-png Support for  (*)
  6f60d78... - New upstream release Add openslide-write-png Support for  (*)
  c96df03... - New upstream release Add openslide-write-png Support for  (*)
  8508656... - Restore missing clean section (*)
  4005fda... - Restore missing clean section (*)
  a3406ce... - Restore missing clean section (*)
  33fa31e... dist-git conversion (*)
  c956613... dist-git conversion (*)
  65349ad... dist-git conversion (*)
  14fe8e5... Merge branches 'f12', 'f13', 'f14' and 'el6' (*)

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