Import 9aeeaf67a3: Improvements to speech recogr for BV demo (by Caitlyn)

This is an automated proposal to look at a commit made by Caitlyn and import it into Overte

Commit:	9aeeaf67a34b6bd7b6a812c265d589e0afee32e7
Author:	Caitlyn
Date:	Tue, 25 Feb 2020 00:45

Improvements to speech recogr for BV demo

Stats:

Filename	Stats	Lines	Added	Removed	Lines in blame
interface/src/Application.h		6	5	1	5
interface/src/SpeechRecognizer.cpp		25	24	1	24
interface/src/SpeechRecognizer.h		4	3	1	2
3 files	-	35	32	3	31

To work on this, please assign the issue to yourself, then look at the commit and decide whether this would be a good addition to Overte.

If the commit is useful, tag it with "Tivoli: Keep", and keep it open until it's merged.
If the commit is not useful, tag it with "Tivoli: Discard", and close it.
If the commit is not useful right now, but might be later, tag it with "Tivoli: Maybe later", and close it.
If it's hard to decide, tag it with "Tivoli: Discuss", and keep it open.

Useful commits should be submitted as a PR against Overte. Tag this issue in PR, so that it's automatically closed once the PR is merged.

You can cherry-pick this issue with this command:

git cherry-pick 9aeeaf67a34b6bd7b6a812c265d589e0afee32e7

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