update visualizer-related documentation

doc/config

@@ -90,12 +90,14 @@
 ## you need to compile ncmpcpp with fftw3 support.
 ##
 #
-## Available values: spectrum, wave.
+## Available values: spectrum, wave, wave_filled, ellipse.
 ##
 #visualizer_type = wave
 #
 #visualizer_look = ●▮
 #
+#visualizer_color = blue, cyan, green, yellow, magenta, red
+#
 ##### system encoding #####
 ##
 ## ncmpcpp should detect your charset encoding
@@ -503,8 +505,6 @@
 #
 #active_column_color = red
 #
-#visualizer_color = yellow
-#
 #window_border_color = green
 #
 #active_window_border = red

doc/ncmpcpp.1

@@ -82,6 +82,9 @@ Defines default visualizer type (spectrum is available only if ncmpcpp was compi
 .B visualizer_look = STRING
 Defines visualizer's look (string has to be exactly 2 characters long: first one is for wave whereas second for frequency spectrum).
 .TP
+.B visualizer_color = COLORS
+Comma separated list of colors to be used in music visualization.
+.TP 
 .B system_encoding = ENCODING
 If you use encoding other than utf8, set it in order to handle utf8 encoded strings properly.
 .TP
@@ -361,9 +364,6 @@ Color of separators used in alternative user interface.
 .B active_column_color = COLOR
 Color of active column's highlight.
 .TP 
-.B visualizer_color = COLOR
-Color of visualization.
-.TP 
 .B active_window_border = COLOR
 Color of active window's border.
 .TP