Remove noisy info message. A big source of confusion. Ticket #2309

git-svn-id: http://svn.osgeo.org/postgis/trunk@11410 b70326c6-7e19-0410-871a-916f4a2858ee
Added more predefined color ramps for ST_ColorMap(raster). Removed RGB
<-> HSV colorspace conversion as it sometimes resulted in strange
answers when interpolating.

git-svn-id: http://svn.osgeo.org/postgis/trunk@11411 b70326c6-7e19-0410-871a-916f4a2858ee