Convert ProposalObjects to use new finders
Include modules in the superclass
Remove query_chef from chef object

Use the same method in finders instead
Fix the client object test
Use implicit return in query_object
Simplify raw_search
Make conditions empty hash instead of nil by default
Fix condition in find_or_fail check
Add "tag" to not found log message for easier grepping
Add query benchmarking
Use implicit return in load
Benchmark loading as well
Add comment describing the helper methods
Be explicit about benchmarking log level
Raise NotImplemented instead of using defaults

The ChefFinders module iplements chef_type and chef_class, that should
be overridden by classes that extend it.

Instead of returning defaults which don't make much sense, raise a
NotImplemented error.