Log Message:
py34-html-docs: Update py34-html-docs to 3.4.7

pkgsrc changes:
 - Take MAINTAINERship (or, in other words, make me blameworthy if the Python
   documentation isn't synced with the respective lang/python* packages :))

Changes:
No changelog is available but it syncs py34-html-docs to current
python34 version.