Tests and implements feature count stats
creates models: country_statistics, regional_statistics and regions
Adds Relationships between countries, regions and stats
adds global satistics: percentage_cover_pas and pas_with_iucn_categories
adds protected areas count by description
counts the number of countries with pa's
adds pas by country stat and iso column to regions
Adds classified by IUCN/countries pa count
Adds designations count per country
Adds count pas by designation for each country
refactors stats
fix whitespaces in db_structure
fix failing tests for pa show page
create search controller
Ansible compiles GDAL from source

We need GDAL 1.11.0 for the improved file geodatabase driver
Ansible installs GDAL lib separately from postgis to ensure we get 1.11

Otherwise our compiled GDAL binaries will be compiled with 1.11, but
link to 1.10. Bad things happen in that case.
fixes region typo
Merge branch 'master' into stats

Conflicts:
	db/structure.sql
Merge pull request #10 from unepwcmc/stats

Stats Calculator
Merge branch 'master' into search-page