Core: Just use previous altitude if it's a item that makes sense
InfoBar: Show consumed mAh buy default, and energy on the overflow menu
Merge pull request #1261 from DroidPlanner/issue1258

Core: Just use previous altitude if it's a item that makes sense
Merge pull request #1262 from DroidPlanner/issue1259

InfoBar: Show consumed mAh buy default, and energy on the overflow menu
Editor: Renamed Set Yaw command
Merge pull request #1263 from DroidPlanner/setYaw

Editor: Renamed Set Yaw command
Version: Releasing version 2.8.4
Merge pull request #10 from ahcorde/master

update code