Please review fix for 192044

Bug: http://netbeans.org/bugzilla/show_bug.cgi?id=192044
fix: http://hg.netbeans.org/cnd-main/rev/4063e2d214bb

the problem is that values for std::string type is not shown because it 
is contained deep inside the structure,
our pretty printer functionality was not turned on the new native 
debugger infrastructure. It is a regression comparing to 6.9.

Fix is to use value presenter that obtains value from structure fields.
Verified by QA.

Egor