[install-guide/f22-branch] (4 commits) ...Merge branch 'master' of ssh://git.fedorahosted.org/git/docs/install-guide

[pbokoc]

Summary of changes:

  c683e23... use unusable ks, and inst.stage2 to allow generic repo reso (*)
  ea05c10... PXE Improvements (*)
  0d6c05e... Update references to reflect DNF as the default package man (*)
  b6aba0c... Merge branch 'master' of ssh://git.fedorahosted.org/git/doc

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