[pykde4/f19] (5 commits) ...revert upstream commit changing sip install paths

[Rex Dieter]

Summary of changes:

  512f2d0... introduce/use feature macros for qscintilla, webkit (*)
  258421d... fix python deps for el6 (*)
  2cad060... mention PyQt4-webkit pieces (*)
  85066af... 4.10.2 (*)
  0a78b1a... revert upstream commit changing sip install paths (*)

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