Adds Project model
💩:
polymorphic association between projects and items
add PolymorphicGroup module to Project model
add "Add To Project" link on pa+country+region pages
add projects#index route
add SavedSearch and creation of projects through controller
move item retrieval in private method in projects_controller
change first_item_(id|type) to item_(id|type)
explicit difference in projects and search tests
rename SearchTest to SavedSearchTest
Merge pull request #134 from unepwcmc/projects-first

Projects (first PR)
add byebug to Gemfile
add "Add to your Projects" functionality for searches
updated Gemfile.lock with locked byebug
Added in place editing to projects name using best-in-place gem
refactor SearchWorkers and add ResultsPopulator worker
add create_and_populate method using ResultsPopulator worker
Merge branch 'projects-second' of github.com:unepwcmc/ProtectedPlanet into projects-second

merges an updated upstream into a topic branch.
Merge branch 'master' into projects-second

Conflicts:
	db/structure.sql