[birt-dev]CheckIn: Fix Bugzilla Bug 146374 --- Prompt text localization

["Wei Wang" <wwang@xxxxxxxxxxx>]

Title: [birt-dev]CheckIn: Fix Bugzilla Bug 146374 --- Prompt text localization didn't take effect

- Summary:
[birt-dev]CheckIn: Fix Bugzilla Bug  146374 --- Prompt text localization didn't take effect

- Bugzilla Bug (s) Resolved:
146374

- Description:
Support localization in engine.
Handle prompt text the same as help text in scalar parameter.

- 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.report.engine.parser/EngineIRVisitor.java#105 edit
org.eclipse.birt.report.engine.api.impl/ParameterDefnBase.java#11 edit

- Files Added:
None

- Files Deleted
None

- Wei Wang