Merge pull request mavlink#2854 from dogmaphobic/flickableInOfflineMaps

Flickable in Offline Maps

Merge pull request mavlink#2845 from DonLakeFlyer/AltitudeLarge

Altitude properties are visually distinct

Merge pull request mavlink#2718 from NaterGator/nsisdriverdetect

Read currently installed USB serial drivers and skip reinstallation

Merge pull request mavlink#2705 from DonLakeFlyer/SDCardDelay

SD card delay detection changes

Merge pull request mavlink#2703 from dogmaphobic/detectInstance

Detect running instance and prevent loading second instance.

Stable v2.8.0

Merge pull request mavlink#1778 from DonLakeFlyer/VehicleErrors

Show vehicle errors after parameters load

Stable V2.6

Merge pull request mavlink#1685 from DonLakeFlyer/Stable2.5.2

Switch to 2.5.2

Merge pull request mavlink#1680 from DonLakeFlyer/Stable2.5.1

Switch to Stable 2.5.1