2014-03-23
* renamed builtin item attribute 'depends' to 'needs' **(BACKWARDS INCOMPATIBLE)**
* removed PARALLEL_APPLY on custom items in favor of BLOCK_CONCURRENT **(BACKWARDS INCOMPATIBLE)**
* added builtin item attribute 'needed_by'
* added canned actions for services
* added deletion of files, groups and users
* simplified output of `bw apply`
* `bw repo test` now also verifies dependencies
* fixed `bw repo test` for files without a template
* fixed triggered actions being run every time
* various fixes and improvements around dependency handling