NVDA 2019.1 what's new: spelling fixes, issue numbering, clarifications (#9314)
* What's new: issue number corrections, speelling corrections, clarifications.
Specific changes:
* Spelling error fixes: Qualcom -> Qualcomm, mainwindow -> main window, virtualbox -> VitualBox.
* Clarified that VirtualBox is an Oracle product.
* Improved restart confirmation: interface -> NVDA's interface.
* Corrected issue numbers for emoji panel fixes.
* Combined two braille table addition entries into one.
* Reformatted OneCore/no more pauses entry.
* What's new: extendedAria -> Enhanced Aria