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)