for live view, try connecting to a spectool_net server first.

support for the wispy 24x2, with 419 samples per sweep.

document live view. better docs all around. add 'serve-static' and 'serve-full' make targets.

new screenshot of live view

add daemontools services for the httpd static file server and the websockets server.

square up the alert. add a label for the data source dropdown.

clean up bootstrap alert code.

also, the frequency band buttons should stay toggled when loading a new file.

resize frequency band highlights after rendering, so that they always fit the canvas.

data source dropdown: add some separators.

move dropdown to navbar. show useful alerts.

fix issue where live view would keep adding spectrum data if we switched back to a file. shut off live view at that point. also, show websockets error code on close.

fix errors on first few non-data lines from spectool_raw

fix frequency band highlights in a couple cases.

rename dropdown, call it 'data source' now instead of 'log file', since live view is an option.