Color given objects on a pathway map with specified colors and return the URL of the colored image. In the KEGG pathway maps, a gene or enzyme is represented by a rectangle and a compound is shown as a small circle.
Example of input:
pathway_id:
path:eco00260
object_list:
eco:b0514
eco:b2913
fg_color:
blue
orange
bg_color
red
orange
org.embl.ebi.escience.scuflworkers.java.WebImageFetcher
http://soap.genome.jp/KEGG.wsdl
color_pathway_by_objects
path:eco00260
eco:b0514
eco:b2913
#ff0000
#00ff00
#ffff00
yellow