[birt-dev]CheckIn: Fix Bugzilla Bug 133107 --- [smoke]Embedded and Dynam

["Wei Yan" <wyan@xxxxxxxxxxx>]

Title: [birt-dev]CheckIn: Fix Bugzilla Bug 133107 --- [smoke]Embedded and Dynamic image can't be preview

Summary 
Initialize the contextPath in ReportEngineService.java.

Bugzilla Bug (s) Resolved:
Fix Bugzilla Bug 133107 --- [smoke]Embedded and Dynamic image can't be preview.

Description:
Why:
The contextPath in ReportEngineService.java didn't be initialized.

Fix:
Fixed.
 
Test Description:
Unit Test
 
Files Edited:
/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/service/ReportEngineService.java#4 edit
/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/servlet/ViewerServlet.java#5 edit

Files Added:

Notes to Build Team:
 
Notes to Developers:

Notes to QA:
 
Quotes to Documentation:

-Wei Zhao