Increased label font size and progress bar height for toolbar child widgets.
The QGCUnconnectedInfoWidget now remains square and has more rounded edges so that it looks more like a button.
Changed the action button group in the toolbar to have an inset style like they used to.
Merge branch 'integration_merge_connstatus' of github.com:Susurrus/qgroundcontrol into integration_merge_connstatus
Minor changes