CLOUDIFY-2454 events/log message format and command for fetching events
CLOUDIFY-2454 added executions list command
CLOUDIFY-2454 added executions list command
CLOUDIFY-2454 added executions list command
CLOUDIFY-2454 added executions list command
CLOUDIFY-2454 added unit tests
CLOUDIFY-2454 changed package installation to setup.py install
Merge branch 'develop' into feature/CLOUDIFY-2454-python-logger

Conflicts:
	.travis.yml
Merge pull request #22 from CloudifySource/feature/CLOUDIFY-2454-python-logger

CLOUDIFY-2454-python-logger