Re-factored checkpoint directory detection with --recover
(refs #3440)
Changed tolerances in pp_fu_22 test and re-golded.  Fixes #3368
libMesh update.  Refs #000.
Merge commit '618e567d49bc130b2b5f821afa6e8bf12be69388'
Disable C++11 support by default in the update_and_rebuild.sh script.
Merge pull request #3469 from WilkAndy/pp_fu_22_3368

Changed tolerances in pp_fu_22 test and re-golded
Merge commit 'f7e2e3ee6030f263c79b510d2992525526dde888'
Merge pull request #3465 from aeslaughter/refactor-3440

Re-factored checkpoint directory detection with --recover
Merge commit '57e6ac7a4e80f6c24a7aad2c3be2b40dcbc7e8a1'