2.0.0-alpha

This is an ALPHA release of what will become 2.0.0. Note that a little more work will be done before fully releasing this branch.

• alembic: Support for upgrading SQL schema
• sql: Create table if it is not present
• couchdb: Add track_var and username
• redis: Add track_var and username
• Adding user_defined variable field to storage
• Hooks: add new hooks system
• test: Skip mongoengine if connection can not be made
• storage: Rename to PrinterWriter
• output: Add OutputWriter
• storage: Create base class and Writer
• requirements: Added six
• Copyright now a range
• Add CONTRIBUTORS
• doc: Add note about py2 and 3
• py3: Fix most obvious offenders
• Move mongoengine ref in Travis CI config
• Update Travis CI config to include mongoengine lib
• pep8 fixes
• MongoEngineStorage: updated docs; added get_usage
• added testing
• moved MongoEngineStorage to mongo.py
• doc: Minor updates for a future release
• Initial support for multiple storage backends
• Update versions to denote moving towards 2.0.0
• Added MongoEngineStorage code; adding test next.
• Updates for freegeoip function
• test: Update sqlalchemy test for updated flask
• test: Update mongo test for updated flask
• test: test_data works with current Flask results
• travis: Force pymongo version for travis
• storage: Minor doc and structure updates for new backends.
• Redis support
• Added CouchDB integration. (#30)