Improved queries and schema for leaf colors

+municipalityID from drowpdown is now used to draw leaves
+Adding a new table to DB
+Each leaf is drawn with separate indicatorID given to it
Merge branch 'master' of https://github.com/qutab/motivoi-muutokseen

Conflicts:
	js/health-tree-visualizations.js
	php/dropmenu.php
	php/get_indicator_value.php
	singleview.php