* Add nightly build features
Add nightly build features for SNR sound control and Basic Setup
screens.
* Add explanation for pitch/volume sliders
* Clarify wording on when LAN AP display appears
Clarify the wording about when the LAN AP display section will appear in
the UI.
* Fix snr-sound image
Fix the snr-sound image.
* Add Other Possible Services section
Add the Other Possible Services section to the doc set.
* Correct typo in image name
* Update screenshots to 3.19.3.0
Update screenshots to 3.19.3.0 version and change text to 3.19.3.0
pre-release
* Update etherpad screenshot
* Doc fixes and restructuring
This commit includes several misc changes to doc set. Create appendix
directory and add freq section with website images. Expand how-to
contribute section. Add reference to new 29 Host LAN mode. Add SNR sound
control to SNR graphs section. Add Radio Mobile Settings to How-To
section. Update images in Freq Spectrum section, and minimize reference
to "unshared" channels. Move Server Sync section to Services Overview.
* Fix misleading keyword search wording
Fix the misleading wording about doing a keyword search for AREDN.
* Fix total bandwidth allocation wording
Fix total bandwidth allocation wording in Radio Spectrum section.
* Clarify channel width at band edges
Clarify the warning against using wide channels that could transmit
outside of allowed FCC allocations.
* Heading change in services overview
* Add balancing comment about reducing channel width
Add a balancing comment that reducing channel width to increase SNR also
cuts throughput in half.
* Add SNR warning comment
* Fix reference to OpenWRT in screenshot
Replace reference to OpenWRT in screenshot with the AREDN login banner.