2017-09-24
* new metadata processor API and options (BACKWARDS INCOMPATIBLE)
* files, directories, and symlinks now have defaults for owner, group, and mode (BACKWARDS INCOMPATIBLE)
* overhauled options and output of `bw groups` (BACKWARDS INCOMPATIBLE)
* overhauled options and output of `bw nodes` (BACKWARDS INCOMPATIBLE)
* overhauled options and output of `bw run` (BACKWARDS INCOMPATIBLE)
* overhauled options of `bw test` (BACKWARDS INCOMPATIBLE)
* svc_systemd services are now 'enabled' by default (BACKWARDS INCOMPATIBLE)
* `bw items --file-preview` no longer uses a separate file path argument (BACKWARDS INCOMPATIBLE)
* removed `bw apply --profiling` (BACKWARDS INCOMPATIBLE)
* removed `Item.display_keys()` (BACKWARDS INCOMPATIBLE)
* changed return value of `Item.display_dicts()` (BACKWARDS INCOMPATIBLE)
* changed `Item.BLOCK_CONCURRENT` into a class method (BACKWARDS INCOMPATIBLE)
* removed `repo.vault.format()` (BACKWARDS INCOMPATIBLE)
* removed env vars: BWADDHOSTKEYS, BWCOLORS, BWITEMWORKERS, BWNODEWORKERS (BACKWARDS INCOMPATIBLE)