Fix typo

Bump version to 0.15

Bump version to 0.14

Bump version to 0.13

Bump version to 0.12

Bump version to 0.11

Mark used hardware features as optional

TextToSpeechAPI: Make stream configurable

termux-vibrate: Do not vibrate when in silent mode

Do not vibrate when in silent mode unless the -f/--force option is
given.

Update version to 0.7