[birt-dev] CheckIn: Bugzilla#160432 - Different chart, color by categori

["Yulin Wang" <yulin.wang@xxxxxxxxxxx>]

- Summary:
Different chart, color by categories, Y series, tick Use Palette As Line Color, can not take effect

- Bugzilla Bug (s) Resolved:
160432

- Description:
Fetch color from category palette when setting color by categroy.
Added a registry in Plugin settings for UI launcher.

- Tests Description: Manual test
- Notes to Build Team: None
- Notes to Developers: None
- Notes to QA: None
- Notes to Documentation: None

- Files Edited:
/org.eclipse.birt.chart.engine.extension/src/org/eclipse/birt/chart/render/Difference.java
/org.eclipse.birt.chart.ui/src/org/eclipse/birt/chart/ui/swt/wizard/ChartUIExtensionsImpl.java

- Files Added:

- Files Deleted