* feat/868: Use the properties from global config in verb for TTS
* feat/868: setting this.options to combination of cs.synthesizer.options and this.options
* feat/868: Move the logic of copying cs properties to parent class tts-task.js
* feat/868: add empty line that was removed, say.js restored to original version
* feat/868: moved _synthesizeWithSpecificVendor to tts-task.js
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Co-authored-by: Rammohan Yadavalli <rammohan.yadavalli@kore.com>