Support Qt 5.14

At least Fedora 32 Qt distro packages are 5.14, so this would help with eventually distributing jami-qt and allow for containerized tests and builds.

• verify qt 5.14 support for linux distributions and docker images
• verify breakage in the interop layer
• verify breakage the qml ui
• verify the windows build and toolset requirements

changed title from Support Qt 5.15 to Support Qt 5.14

changed the description

changed the description

assigned to @ababi

changed the description

marked the checklist item verify qt 5.14 support for linux distributions and docker images as completed

marked the checklist item verify breakage in the interop layer as completed

marked the checklist item verify breakage the qml ui as completed

mentioned in commit 7b7451b3

@ababi fixed right?

closed

marked the checklist item verify the windows build and toolset requirements as completed