Merged PR 3603: default UNK questions to 0.0 score for string matcher

default UNK questions to 0.0 score for string matcher

Related work items: #6315

Merged PR 3308: save tokenised training data during training; minor o…

…ptimisations

save tokenised training data during training; minor optimisations

Related work items: #5885

Merged PR 3136: improve qa matching if mutiple qa pairs have same num…

…ber of entities

in this case subset on the training examples which have the same number of matches and run those through the embedding matcher. take the sample with the highest score as the match

Related work items: #5576

Merged PR 3077: Apply code style

Apply code style
Fix the code_style script as well which currently does nothing

Fix error handling Java syntax
Pipfile.lock Update hu_logging to pick up ES 6.x client

Related work items: #5453, #5470

Release 1.3.0

Merged PR 2490: Fix chat vectorisation which was using the original w…

…ords list and not the

Fix chat vectorisation which was using the original words list and not the tokenized one.

Related work items: #4549