katrina: changes by commit

review to branch (2010-04-13 to 2010-04-19) v229

• removed alphas from the ENCODE GIS RNA-Seq track to stage on hgwbeta
  • src/hg/makeDb/trackDb/human/hg18/trackDb.wgEncode.ra 1.951 - lines changed: 19, context: html, text, full: html, text