[evolution-patches] Patch for #72455 and #72227 (camel-groupwise)

[Vivek Jain <jvivek novell com>]

Hi,

Sending a patch that enables groupwise provider to handle junk mails.
Changes are made in camel-groupwise-store.[ch]
and camel-groupwise-folder.c

fixes http://bugzilla.ximian.com/show_bug.cgi?id=72455
and http://bugzilla.ximian.com/show_bug.cgi?id=72227

Thanks,
vivek