New style page for GPSLogger

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Larger font size
Padded text and collapsing div

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Adjusted for small screens
Layout done with most important screenshots at top
FAQ and further screenshots
Replacing index.html with new style page
Corrected link to download APKs
XCF for annotated screenshots
Using a 1px bg for smaller phones to display page properly
How to remove notification FAQ
Added NMEA to screenshot