Because we toggle some ioctl settings based on this field, change the
name to better capture that we're selecting which device we want to load
settings for, not just the display module to load. This creates room for
future per-device settings without needing more config file fields.
Instead of mirroring the QMDL container format exactly, let our analysis
files just be flat lists of packet analysis. Also removes the dummy
analyzer and adds version numbers to analysis reports and Analyzers