Fixed handling of the alternative slot.
Added new context help and modified standard help.
Fix ordering of dialogue acts when performing state update. Heuristics! Least probable dialogeu acts are processed the first.
Trained and deployed new FFNN VAD.
Merge branch 'master' into cities

Conflicts:
	alex/applications/PublicTransportInfoCS/data/ontology.py
	alex/applications/PublicTransportInfoCS/hdc_policy.py