added absolutewidth for glyphset background alternating colours rmp
added absolutewidth for glyphset background alternating colours
rmp

Ensembl/ensembl-webcode,Ensembl/ensembl-draw,Ensembl/ensembl-webcode,Ensembl/ensembl-webcode,Ensembl/ensembl-webcode,Ensembl/ensembl-webcode