[zsh/f20] (10 commits) ...apply upstream patch which fixes CPU load issue (RHBZ#1120424)

[Dominic Hopf]

Summary of changes:

  69de01e... Require hostname package instead of /bin/hostname (*)
  965dc7d... Remove unneeded build require on tetex. (*)
  04261fe... Update to latest upstream release: Zsh 5.0.5 (*)
  f4ae700... - Rebuilt for https://fedoraproject.org/wiki/Fedora_21_Mass (*)
  0adc038... fix FTBFS issue (RHBZ#1106713) (*)
  536e457... remove individual _bindir setting; install to /usr/bin/ (RH (*)
  370e715... improve handling of /etc/shells (*)
  c18d189... Fix missing 'fi' in %post (*)
  54f9ac2... apply upstream patch which fixes CPU load issue (RHBZ#11204 (*)
  20824b0... apply upstream patch which fixes CPU load issue (RHBZ#11204

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