Update translation comments. - Clarify that Zephyr, Polar, SRM are company names and should not get   translated. - Clarify that Bluetooth and ANT+ are radio standards and can be   translated if possible. - Clarify that bridge is a network bridge.
Update translation comments.
- Clarify that Zephyr, Polar, SRM are company names and should not get
  translated.
- Clarify that Bluetooth and ANT+ are radio standards and can be
  translated if possible.
- Clarify that bridge is a network bridge.

Plonk42/mytracks