- Deleted the zoom part of dygraph
- Added a function  to normalize list of numbers
Merge branch 'master' of https://github.com/wellincall/charts_test_api_SRC

Conflicts:
	Charts/templates/energy_and_occupants/dygraph_chart.html
Merge branch 'master' of https://github.com/wellincall/charts_test_api_SRC

Conflicts:
	Charts/energy_and_occupants/views.py