[GMT/el6/master] (13 commits) ...Sync from devel

[Orion Poplawski]

Summary of changes:

  dec6df8... - Update to 4.5.1 - Enable gdal support (*)
  96a05d4... - Rebuild for netcdf 4.1.0 (*)
  d23c33f... - Don't make GMT-common depend on GMT - Remove BR GMT-coast (*)
  a1eaa40... Really remove BR GMT-coastlines (*)
  190732e... - Re-enable check (*)
  7ce6a1d... Fix typo that causes a failure to update the common directo (*)
  e201b23... - Update to 4.5.2 (*)
  77bafa5... Require updated coastline database (*)
  1d63fb2... - Update to 4.5.3 (*)
  30deb80... - Bump coastlines requirement to 2.1.0 (*)
  a938417... - Fix buffer overflow in psimage (bug #617332) (*)
  242ff88... dist-git conversion (*)
  cc9d471... Sync from devel

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