news_signals_take0 + tests
Revert "news_signals_take0 + tests"

This reverts commit f68e973fd3dc27e2a9f13df10d014a3ca174a0a7.
refact.
Merge remote-tracking branch 'origin/thesis' into thesis

Conflicts:
	tests/test_thesis_correlation_corr_predictors.py
	thesis/correlation/corr_predictors.py