Support for bridge tool subdivisions, smoothing and shape along the profile.
also added the underlying subdivision as a standalone operator in the edge menu, named: subdivide edge-ring.
http://www.graphicall.org/ftp/ideasman42/bridge_subd.png


git-svn-id: https://svn.blender.org/svnroot/bf-blender/trunk/blender@56972 954f8c5b-7b00-dc11-b283-0030488c597c