[rubygem-passenger/f21] (9 commits) ...Merge from f20

[Orion Poplawski]

Summary of changes:

  ff5f7d4... fully fix bz#999384 (*)
  3bd95a2... fixing merge conflicts (*)
  b2f99b8... Merge branch 'master' into f20 (*)
  0ac3d93... Merge branch 'master' into f20 (*)
  b9f6961... load native library from proper path (*)
  e6a5d2c... fix bz#1058993 (*)
  d218405... Add needed obsoletes on rubygem-passenger-native{,-libs} fo (*)
  7a65059... Use post-release numbering to avoid upgrade issues (*)
  c24de4b... Merge from f20

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