Fix char spacing for scale_factor != 1.
Implement char_spacing for line placements.
More scale_factor fixes.
boost::noncopyable -> mapnik::noncopyable
Apply scale factor to offsets.
Merge branch 'master' into harfbuzz
Yet another character_spacing/scale_factor fix.
Fix PointSymbolizer collision bounding boxes.
Merge branch 'master' into harfbuzz
Fix PointSymbolizer collision bounding boxes.
Fix shield displacement for scale_factor != 1.
All visual AGG test pass.
Show bounding boxes for collision test.
Add new test and change handling of scale_factor in tests.