Add .travis.yml
Add settings for travis build
Create postgis extension for travis
Refactor model for Environmental
Migration for refactor of environmental
Add 'mo' to unit choices
Update clear script to remove Environmental Var/Val
Register new models in admin, add unicode methods
Update loader for environmental: EcologicalData.DBASE.07Mar14.csv
API Views and Serializers for new env models
Merge pull request #58 from NESCent/remodel_environmental

Refactor models for environmental data
Merge branch 'master' into add_basic_search