Update to chromosome alias initialization to handle all UCSC style names (1 vs chr1) in both directions.
Update to chromosome alias initialization to handle all UCSC style names (1 vs chr1) in both directions.

git-svn-id: b5cf87c434d9ee7c8f18865e4378c9faabe04646@36 17392f64-ead8-4cea-ae29-09b3ab513800

itenente/igv,igvteam/igv,igvteam/igv,godotgildor/igv,itenente/igv,godotgildor/igv,godotgildor/igv,amwenger/igv,itenente/igv,godotgildor/igv,godotgildor/igv,igvteam/igv,amwenger/igv,itenente/igv,amwenger/igv,igvteam/igv,igvteam/igv,amwenger/igv,itenente/igv,amwenger/igv