Add lricon.svg and lriconinst.svg, which provide the core graphic
element for the various Logray icons. Add lricon*.png, which were
created using the templates at
https://developer.apple.com/design/resources/. Add Logray.icns,
logray.ico, and lograyinst.ico, and use them in various packaging
resources.
Move Acknowledgements to a separate file to enable some code
simplification and improve maintenance and discoverability
for acknowlegements.
Convert the Acknowledgements file to Github flavored markdown
and display it in rich text using QTextBrowser.
Add Acknowledgements.md to NSIS installer
Switch to the name "Logray" for the log analyzer. Rays are biological
cousins of sharks and more people like the name "Logray" in a completely
unscientific survey here. Apologies for any inconvenience this might
cause.