Straxen

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- Fix test data / demo notebook

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- Pulse counting bugfixes (30)
- Bootstrax:
- Setup fix (27)
- Add correct (epoch-based) run start time (29)
- Support compressor config (29)
- Avoid platform-specific tempfile things (28)
- Placeholder electron lifetime (25)

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- Fix resource caching
- Fix tensorflow2 checking (23)

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- Mini-analyses, waveform display (19)
- straxer processing script
- Upgrades to get_resource (18, 20)
- Require tensorflow2

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- Upgrade pulse processing and cleanup (16)

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- Robustness to 0-gain channels, Peaks options available (15)
- Catch OSError for readonly cache dirs (14)
- Bootstrax updates (12, 10)
- Get to_pe and elife from github, add cut plugins (9)