0.1.0-beta2 'Donde comen dos, comen tres'

This is a breaking release, it is NOT backward compatible with 0.1.0-beta1.
State files generated by earlier versions must be removed before starting the
beta2 daemon. Policy files will also need updating.

Feedback welcome at https://community.nlnetlabs.nl/, bug reports can be
raised at https://github.com/NLnetLabs/cascade/issues.

Breaking changes

• Rename policy field server.outbound.accept-xfr-from to
  server.outbound.provide-xfr-to (#722 by @ximon18).

New

• Add an extra decimal digit to formatted numbers like "4KB" in
  cascade zone status output (#794 by @tertsdiepraam)

Bug fixes

• Ignore re-signing without a published signed instance (#795 by @bal-e)
• Account for TTL-only changes in incremental re-signing (#803 by
  @Philip-NLnetLabs)

Documentation improvements

• Fixes and improvements to the "Zone Transfers" page. (#704 by @jpmens)
• required=true no longer seems to exist, hence remove its mention from
  comment. (#708 by @jpmens)
• Corrections to the "Key Management" documentation page. (#711 by @jpmens)
• Note in CLI help that the source to zone add can include a TSIG key name.
  (#714 by @ximon18)
• Fix position of colon ':' character in tsig add subcommand docs. (#716 by
  @ximon18)
• Add inline table example to policy template. (#720 by @jpmens)

Acknowledgements

Thanks to @jpmens and @gryphius for testing Cascade and providing valuable
feedback and contributions to the documentation.