Eclipse bug 483950
Eclipse bug 483950

After finishing the bug, needs to go to
D:\github\birt\build\birt-packages\plugins folder to verify that the
plugin uk.
This problem is related with p4 changelist: 171787

BIRT 4.6 features reference missing plugin
org.eclipse.core.runtime.compatibility 
https://bugs.eclipse.org/bugs/show_bug.cgi?id=483950
modified feature.xml file to make org.eclipse.birt.feature includes xls
& xlsx plugins.

Reported by: Steve Francisco

Signed-off-by: Shijie Zhang <6f644ccdad72d240154cfc5bcf68e85ee907c580@opentext.com>
rrimmana/birt-1,Charling-Huang/birt,sguan-actuate/birt,sguan-actuate/birt,rrimmana/birt-1,sguan-actuate/birt,Charling-Huang/birt,sguan-actuate/birt,rrimmana/birt-1,Charling-Huang/birt,Charling-Huang/birt,Charling-Huang/birt,rrimmana/birt-1,rrimmana/birt-1,sguan-actuate/birt