add icons to represent field type; // TEMP ICONS

add support to determine chart type based on data
support date on either axis
Merge branch 'master' of github.com:yarden-livnat/cnome

Conflicts:
	cnome/src/edu/utah/sci/cyclist/model/Field.java
	cnome/src/edu/utah/sci/cyclist/model/Table.java
	cnome/src/edu/utah/sci/cyclist/presenter/SchemaPresenter.java
	cnome/src/edu/utah/sci/cyclist/ui/panels/SchemaPanel.java
	cnome/src/edu/utah/sci/cyclist/ui/views/ChartView.java