Changes to Travis file and settings

Signed-off-by: Sheik Hassan <solergiga@yahoo.com>
Merge pull request #345 from hassanNS/integration_testing

Changes to Travis file and settings
Making fabfile accept etcd and registry variables on command line
Merge pull request #347 from hassanNS/integration_testing

Changes to Travis file and settings
Adding .python-version to git ignore
Merge branch 'integration_test' of http://github.com/cbmi/varify into integration_test
Adding a clean config file for testing locally on travis-ci
Merge branch 'integration_test' of https://github.com/cbmi/varify into integration_test
Merge branch 'integration_test' of https://github.com/cbmi/varify into integration_test
Merge branch 'integration_test' of https://github.com/cbmi/varify into integration_test
Merge branch 'integration_test' of https://github.com/cbmi/varify into integration_test
Merge branch 'integration_test' of https://github.com/cbmi/varify into integration_test
Merge branch 'integration_test' of https://github.com/cbmi/varify into integration_test
Merge branch 'integration_test' of https://github.com/cbmi/varify into integration_test
Merge branch 'integration_test' of https://github.com/cbmi/varify into integration_test
Merge branch 'integration_test' of https://github.com/cbmi/varify into integration_test
Create docker container with app for build testing
Added create_db management command

Signed-off-by: Sheik Hassan <solergiga@yahoo.com>