Return a empty QString instead

QGCCameraControl::storageFreeStr(): use QGCMapEngine::storageFreeSizeToString()

Signed-off-by: Patrick José Pereira <patrickelectric@gmail.com>

Restore QGC to its normal UI layout (buttons on toolbar)

Fix double tile download error reporting

Prevent double reporting of tile download errors

Offline Maps: Allow custom build settings overrides

Get rid of QGCView, QGCViewPanel and FactPanel. All messages and dialogs are now handled in the root window.

Store correct tile set counts for image and elevation sets.

Signed-off-by: Patrick José Pereira <patrickelectric@gmail.com>

Q_ENUMS is deprecated and should not be usued.
Signed-off-by: Patrick José Pereira <patrickelectric@gmail.com>

Bump terrain tile version due to format change

Wrap text

Signed-off-by: Patrick José Pereira <patrickelectric@gmail.com>

Signed-off-by: Patrick José Pereira <patrickelectric@gmail.com>

* Export should always be enabled since you can export default tile set
* Fix Select All/None problem

Don't bother testing the reason for exiting the wait condition. If there is nothing to do, it will exit any way.

Fix typo.