modify the layout to make it a little good to look
re-format to be standard as the first commit

in the CharBuilderTest.java
remove unused code in CharBuilderTest.java
move the setting part to the ChartBuilderTest.class

create a interface called SeriesSetting to make the setting

eaeasy to set outside
move the interface into SeriesSetting.class

1. seperate the constructor and add a CharBuilderTest.Init

2. implement the interface in the main activity

3. delete the Draw_acc_setting code (which is replaced with the implement
in the interface)
To make the chart shows completely from CharBuilder.java
trimmed the unused code