Minor cosmetic enhancements.
commint forgoten files in boost lib.

Gerbview:  Added support for complex definitions of parameters (like $3=$2+5/2)  in aperture macros and primitives macro.

Pcbnew: fix a serious bug in ZONE_CONTAINER::HitTestFilledArea( ) which could break connectivity calculations relative to copper areas.
Fix also very minor issues relative to copper zones.
Update boost::polygon from Boost svn repository.

Updated boost::polygon from http://svn.boost.org/svn/boost/trunk/boost/polygon (boost 1.44) Seems fix some issues.

Added boost::polygon (experimental)
Added experimental zone fill calculations with boost::polygon
Added patches from Yury Khalyavin