Commits for braney

v284_preview2 to v284_base (2013-05-21 to 2013-05-27) v284

• clone a string in response to a code review #1080
  • src/hg/lib/trackHub.c - lines changed 1, context: html, text, full: html, text
• fix problem with clipping rectangles reported in refs #10847
  • src/lib/memgfx.c - lines changed 9, context: html, text, full: html, text
• add some blue bars for duplications in HAL snakes
  • src/hg/hgTracks/hgTracks.h - lines changed 4, context: html, text, full: html, text
  • src/hg/hgTracks/snakeTrack.c - lines changed 42, context: html, text, full: html, text
• hgdownload-sd will no longer tolerate rsh for connections. Use ssh to rsync downloads.
  • src/hg/makeDb/genbank/etc/hgdownload-copy - lines changed 1, context: html, text, full: html, text
• added TRIX search for track hubs. UDC'ified trix library. Refs #10426
  • src/hg/lib/hdb.c - lines changed 9, context: html, text, full: html, text
  • src/hg/lib/hgFind.c - lines changed 6, context: html, text, full: html, text
  • src/hg/lib/trackHub.c - lines changed 56, context: html, text, full: html, text
  • src/inc/trix.h - lines changed 1, context: html, text, full: html, text
  • src/inc/udc.h - lines changed 3, context: html, text, full: html, text
  • src/lib/trix.c - lines changed 50, context: html, text, full: html, text
  • src/lib/udc.c - lines changed 35, context: html, text, full: html, text
• oops typo!
  • src/inc/trix.h - lines changed 1, context: html, text, full: html, text