Add AmFunnelChart, AmBalloon, PyramidChart Demo
- Code for PyramidChart demo.
- Code for IsAmFunnelChart, AmFunnelChart , AmFunnelChartJSO.
- Code for IsBalloon , AmBalloon, BalloonJSO.
Merge branch 'master' of https://github.com/sillysachin/GWTAMChart

Conflicts:
	src/com/amcharts/impl/AmChart.java
	src/com/amcharts/impl/AmPieChart.java