* bin/Makefile.am: added gegl-path-smooth.[ch]
* bin/gegl-spiro.c: 
* bin/gegl-spiro.h: renamed to:
* bin/gegl-path-spiro.c: 
* bin/gegl-path-spiro.h: 
And split out the path smoother to:
* bin/gegl-path-smooth.c: [NEW]
* bin/gegl-path-smooth.h: [NEW]

svn path=/trunk/; revision=2671