Test to reproduce an issue that occurs with python3.3 under macos10 only

This test passes fine under linux
Merge pull request #1313 from al-tonio/frenchdate

Test to reproduce problem with Python 3.3+ on Mac OS X only
send the static_generator_{init, finalized} signals.

Note: The two signals were already present but were never sent.
use correct CachingGenerator class in super() call

This was a leftover from code moving in c1324b0.
Detected by pylint.
Merge pull request #1329 from smartass101/fix_caching_subclass_super

use correct CachingGenerator class in super() call
Merge pull request #1328 from Scheirle/StaticGeneratorSignals

Send the static_generator_{init, finalized} signals
add get_writer signal and unify with get_generators

Fix outdated docs of get_generators to unify.
Merge pull request #1330 from smartass101/unify-run-get_-signals

Add get_writer signal and unify with get_generators
fix wide tables in RTD theme, clean up docs/

removed:
 - _themes/ : not used anymore
 - fr/ : terribly out of date and unmaintained