Added host to database config for Postgres.app compatibility
Merge branch 'experimental-blue-carbon-support' of git://github.com/unepwcmc/magpie into experimental-blue-carbon-support

* 'experimental-blue-carbon-support' of git://github.com/unepwcmc/magpie:
  Cartodb query actually works
Changed rvmrc to ruby-version due to changes in RVM
Removed testing file
Updated the blue carbon layer to also calculate area and human
emissions. This is a temporary fix to allow blue carbon to continue
functioning, until this is refactored properly.