More efficient repository load sql in ci_projects action
Note that finished_at can be incorrect
reverse.each -> reverse_each
Add draper for model decoration

* create a ProjectDecorator
Move #build_time_history to ProjectDecorator
Upgrade suite to RSpec 3.0.0.beta
expirement with using verifying doubles in project_decorator_spec
Move SQL part of build_time_history back to project model
move most_recent_build and last_completed_build back to Project model
Merge pull request #60 from square/rob/decorate-with-draper

ProjectDecorator