changing
Add admin_user and admin_password to config
Modify drop command to use new admin configs
Confirm drop of non-test environment
Adding util function for retrieve data types from the db
Moving data_type_id from prep template to raw_data
Updating the RawData object to reflect the changes on the DB
Fixing commands to pass the RawData data_type as a parameter
Changing the metadata template tests for the change on the DB
Fixing the data type retrieval for study obj
Add 'admin' argument to SQLConnectionHandler
Use config when dropping
Rework qiita_env

Now uses qiita_config for all relevant values

Fixes #359
Change .travis.yml to use new qiita_env make
Flake8 fixes
Merge branch 'master' of https://github.com/biocore/qiita into qiita_env-issue-359

Conflicts:
	qiita_db/environment_manager.py
Latest changes to the change on the DB
Merge branch 'master' of github.com:qiime/QiiTa into data_type_change
Merge pull request #386 from josenavas/data_type_change

BLOCKER!! Data type change
Removing config_demo.txt