## Description:
More fixes flagged by pylint 2 that don't hurt to have before the actual pylint 2 upgrade (which I'll submit soon).
## Checklist:
- [ ] The code change is tested and works locally.
- [x] Local tests pass with `tox`. **Your PR cannot be merged unless tests pass**
* Make Google TTS secure
I noticed that my TTS queries were showing up in the log on my router, so I was curious if there was a way to make it secure. A quick search showed people using https instead of http (https://stackoverflow.com/questions/32053442/google-translate-tts-api-blocked), so I figure that should work. I am using hass.io, so I'm not actually sure how to test this, but its a pretty simple change.
* Fix the tts test.
* No longer require pyunify during tests
* No longer require cast during tests
* No longer required dependency for tests
* No longer require pymochad for tests
* Astral is a core dependency
* Avoid having to install datadog dependency during tests
* CMUS test doesn't test anything
* Frontier Silicon doesn't test anything
* No longer require mutagen
* Update requirements_test_all.txt
* Remove stale comment
* Allow to specify TTS language in the service call.
* Allow to specify TTS language in the service call.
* Respect 79 char limit
* Fix "Too many blank lines"
* Fix "Too many blank lines"
* Fix "Too many blank lines"
* Change language to be optional parameter of *get_tts_audio
* Change language to be optional parameter of *get_tts_audio
* Respect 79 char limit
* Don't pass "None
* Use default of "None" for TTS language
* Use default of "None" for TTS language
* Don't pass "None"
* Change TTS cache key to be hash_lang_engine
* Change language from demo to en
* Fix wrong replace
* TTS Component / Google speech platform
* Change file backend handling / cache
* Use mimetype / rename Provider function / allow cache on service call
* Add a memcache for faster response
* Add demo platform
* First version of unittest
* Address comments
* improve error handling / address comments
* Add google unittest & check http response code
* Change url param handling
* add test for other language
* Change hash to sha256 for same hash on every os/hardware
* add unittest for receive demo data
* add test for error cases
* Test case load from file to mem over aiohttp server
* Use cache SpeechManager level, address other comments
* Add service for clear cache
* Update service.yaml
* add support for spliting google message
