PEP8-ification + some docu for HTML Translator

and some minor style tweaks for object description signature annotations

Signed-off-by: Torbjörn Klatt <opensource@torbjoern-klatt.de>
some adjustments to fix up BS 2.x styling

the most ugliest styling errors/flaws with BS2 should be fixed now

Signed-off-by: Torbjörn Klatt <opensource@torbjoern-klatt.de>