Added Benchmarks scenario directory (work in progress)
Modified API base and added the new keyword parameter 'wait_started'
Backup of work in progress
Merge branch 'issue110' into activity_benchmark

Conflicts:
	library/oscied_lib/api/base.py
Added timeout and minimum polling for init_api()
Modified pytoolbox JuJu Environment class
Added TODO for docstring enhancement
Added statistics module: work in progress
Create default local cfg if missing, use json and not pickle, import features from future
Merge branch 'activity_benchmark' into issue75_ebuio2