fix for BOOST_JOIN parse error during moccing for boost 1.56

modules/gfx/src/gfx_object.hh

modules/gui/src/scene_win/entity_node.hh

modules/gui/src/sequence_viewer/alignment_view_object.hh

modules/gui/src/sequence_viewer/sequence_delegate.hh

modules/gui/src/sequence_viewer/sequence_model.hh

modules/gui/src/sequence_viewer/sequence_view_object.hh

modules/gui/src/sequence_viewer/sequence_viewer.hh