fix invalid close session parameters (graceful shutdown - fixes switc…

…h failure)

macosx CI fix

check ref_type and build release artefacts

conditionally use separate bulk writes for sending object

fixes upload to samsung phones

bump version to 4.1

compile qm on the fly at the time of the build.

trying to fix builds before 4.0 release.

add qttools5-dev to ubuntu package list
add qt5-linguist to snapcraft file
add missing file

set default button to Ignore, removed logging of return code from dia…

…log's exec

updated version

removed unused this in capture list

disabled zerocopy for now, see issue #194