[qt5-qtbase/el6] (14 commits) ...(re)enable -docs

[Rex Dieter]

Summary of changes:

  04ca416... devel: qtsql apparently wants all drivers available at buil (*)
  448ffe5... typo (*)
  0983c45... 5.2.0-3 (*)
  2bbe77d... no libxkbcommon on rhel either (*)
  5304099... bootstrap docs on rhel7 (*)
  0ecbefd... try system-harfbuzz on rhel7 too (*)
  8c475d4... fix QTBUG-35459 and QTBUG-35460 (*)
  1ae137a... reenable docs on Fedora (accidentally disabled) (*)
  4ee8a8e... simplify rhel7 doc bootstrap logic (*)
  f693c3e... epel7 bootstrapped (*)
  0a660d0... examples subpkg (*)
  dc97989... fix %_qt5_examplesdir macro (*)
  b4670de... 5.2.0-7 (*)
  c32abbf... (re)enable -docs (*)

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