Merge branch 'master' into feature/childControlIDs_childControlNames_of_group
[[ ChildControlProps ]] Added a check to see if there were no child controls of a group to avoid empty lines being added to the list. Also moved where t_prop was being set because it doesn't need to happen each iteration.
Merge pull request #347 from montegoulding/bugfix/LCInterfaceQueryDeviceScale

Cross platform LCInterfaceQueryDeviceScale for refactored graphics
[[ Bug 11379 ]] Added release note.
Merge branch 'bugfix-11379' into develop
[[ Bug ]] Fixed compile error in externalv1.cpp.
Merge commit 'f20ff64b6b963b36cea91ac3df5027067be83fe3' into bugfix/LCInterfaceQueryDeviceScale
[[ DeviceScale ]] iOS views are measured in points while android (and for the moment others) are measured in pixels so the function must return what's appropriate for the platform in order to scale views accordingly and for backwards compatibility.