Various parts of the app partially inaccessible on 3" screen

[jambl3r]

• Home screen shrug text partially inaccessible
• New group empty info text inaccessible
• Expert mode setup wizard crushes explainer text
• Record trigger screen help button squashed
• About screen partially inaccessible
• Recently used actions inaccessible if list empty
• Recently used constraints inaccessible if list empty
• Actions empty info text partially inaccessible in landscape