Upcoming moOde 6.4.0 update

[Tim Curtis]

I had planned a small patch release (6.3.1) but as it turns out there are quite a few nice updates as well as bug fixes so to be faithful to major.minor.patch version numbering its necessary to bump the minor version.

Here's the WIP release notes.

Code:

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//
// 6.4.0 2019-MM-DD
//
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Updates

- UPD: Bump to Linux kernel 4.19.79 build #1273
- UPD: Bump to alsa-capabilities 2.0.1
- UPD: Tag View album list gets same grouping as Album View
- UPD: Hide quick jump index if grouping albums by year
- UPD: Quick jump to artist if grouping by Artist
- UPD: Add network interface info to Moode log
- UPD: Add max ALSA volume setting to Audio Config
- UPD: Add HifiBerry DAC/DAC+ Zero to audio device table
- UPD: Add option -F to moodeutl to print sample rates

Bug fixes

- FIX: JSON encode fail in genLibrary() if bad UTF-8 chars
- FIX: Wrong symbol code used for microseconds in html Sysinfo
- FIX: Swap file not disabled