[HepMC/el5] (5 commits) ...Do not trigger hexfloat output with gcc 5

[Mattias Ellert]

Summary of changes:

  8abd06f... - Rebuilt for https://fedoraproject.org/wiki/Fedora_20_Mass (*)
  6bd9baf... Use _pkgdocdir (*)
  22ef913... - Rebuilt for https://fedoraproject.org/wiki/Fedora_21_Mass (*)
  f3846b3... - Rebuilt for https://fedoraproject.org/wiki/Fedora_21_22_M (*)
  e212ffc... Do not trigger hexfloat output with gcc 5

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