changes
Merge branch 'master' of https://github.com/RufusMbugua/mnh

Conflicts:
	application/controllers/c_analytics.php
	application/views/analyseChallenges.php
Testing MNH Posting
posting to database
Merge branch 'master' of https://github.com/cheriuyot/mnh

Conflicts:
	application/models/m_mnh_survey.php
Merge branch 'master' of https://github.com/cheriuyot/mnh
added log diarrhoea table in database
Merge branch 'master' of https://github.com/cheriuyot/mnh
Updates to MNH