Added local work cheater
Fixed PM creation to use new initializer
Convenience method for package_manager
PM can set the bin_path on the adapter.
Added ability to get/set bin_path for brew PM
Updated to be able to set bin_path

Also added :status to #info hash
Refactored #update_index

Renamed to #update_definitions and refactored out
#extract_updated_definitions.  Also PM now drives this via the adaptor
so it can handle the observer stuff.
Added todo
Updated list