Show warnings if the display cannot be written to, but dont completel…#17

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zgohr wants to merge 2 commits intoopenaps:masterfrom zgohr:no-menu

+280-207

Commits on Jul 11, 2018

Show warnings if the display cannot be written to, but dont completely bomb so we can still get rig voltage readings.
zgohr
committed
Fix a return statement.
zgohr
committed