Fix UAS unit test for range and voltage change
Merge pull request #656 from DonLakeFlyer/UASUnitTest

Fix UAS unit test for range and voltage change
Added QU4D line
Merge branch 'master' of github.com:mavlink/qgroundcontrol into thread_test
Merge branch 'thread_test' of github.com:mavlink/qgroundcontrol into thread_test