clear map cache on launch and add a setting to do so (helium#1015)

Add maker merryIoT (helium#958)

add hummingbird (helium#937)

* add hummingbird
Co-authored-by: yango3 <o3.yang@hotmail.com>
Co-authored-by: Jie Yang <jie.yang@nanchao.org>

Change antena gain. Rename FreedomFi Hotspot to FreedomFi Gateway. Ch…

…ange the icon (helium#929)

Co-authored-by: igoninvladimir@mail.ru <vladimir@freedomfi.com>

Assert crash and diagnostic report update (helium#883)

* ensure map coords are defined

* add detail line to diagnostic email

fix fee display for free assert when updating hotspot (helium#863)

Update welcome message to include validators. (helium#830)

* Update welcome message to include validators.

* Use MAX var in place of 1000 in appDataClient.

antennas: fix default for nebra outdoor (helium#807)

fix default antenna for nebra outdoor miner

Signed-off-by: Aaron Shaw <shawaj@gmail.com>

fix sensecap onboarding (helium#798)

Change block sync buffer to 1,500. (helium#777)

* Change block sync buffer to 1,500.

* Use hotspot.status.timestamp to determine currently synced block.

* Show SyncStatus.none when status time not yet present.

* Do not fetch sync status for witnesses. Add additional error handling.