Made LWMPOINT, LWMLINE, LWMPOLY compatible with LWCOLLECTION.
Fixed reverse() and forcerhr() to maintain geometry structure.
git-svn-id: http://svn.osgeo.org/postgis/trunk@912 b70326c6-7e19-0410-871a-916f4a2858ee
lwgeom.h is public API
liblwgeom.h is private header
lwgeom_pg.h is for PG-links
lw<type>.c contains type-specific functions
git-svn-id: http://svn.osgeo.org/postgis/trunk@909 b70326c6-7e19-0410-871a-916f4a2858ee