fixed mnh
Did assessed and correctness in hcw section 2B and 3
Done the rest of the graphs of section 4 and 5
fixed mnh supplies statistics
Merge branch 'mnch' of https://github.com/WillyMareka/essential into mnch

Conflicts:
	assets/javascripts/analytics.js
Merge branch 'mnch' of https://github.com/cheriuyot/essential into mnch

Conflicts:
	application/modules/analytics/controllers/analytics.php