Commits for markd

v290_preview to v290_preview2 (2013-09-16 to 2013-09-23) v290

• fixed bug where mappings would be missed if multiple mapping alignments mapped to the same rangetree node
  • src/hg/utils/pslMap/tests/expected/mrnaChainMapBug.mapinfo - lines changed 2, context: html, text, full: html, text
  • src/hg/utils/pslMap/tests/expected/mrnaChainMapBug.psl - lines changed 1, context: html, text, full: html, text
  • src/hg/utils/pslMap/tests/input/mrnaChainMapRefSeq.chain - lines changed 610956, context: html, text, full: html, text
  • src/hg/utils/pslMap/tests/input/mrnaChainMapRefSeq.psl - lines changed 1, context: html, text, full: html, text