Commits for braney

v300_base to v301_preview (2014-05-19 to 2014-05-26) v301

• fixed a couple of bugs in splitFileByColumn #13297
  • src/utils/splitFileByColumn/splitFileByColumn.c - lines changed 3, context: html, text, full: html, text
• add support for mafDot in trackDb while in wigMafTrack UI
  • src/hg/lib/hui.c - lines changed 2, context: html, text, full: html, text
• add some text to describe descriptionUrl
  • src/hg/htdocs/goldenPath/help/hgTrackHubHelp.html - lines changed 9, context: html, text, full: html, text
• fix a couple problems found in code review, add some comments, andrearrange the code a little
  
  • src/hg/hgHubConnect/hgHubConnect.c - lines changed 43, context: html, text, full: html, text
• updates to hgHubConnect to interface to make it less confusing. Nowconnection and disconnection put you on the gateway page.
  
  • src/hg/hgHubConnect/hgHubConnect.c - lines changed 98, context: html, text, full: html, text
  • src/hg/hgTracks/hgTracks.c - lines changed 12, context: html, text, full: html, text
  • src/hg/inc/hubConnect.h - lines changed 9, context: html, text, full: html, text
  • src/hg/inc/trackHub.h - lines changed 1, context: html, text, full: html, text
  • src/hg/lib/cart.c - lines changed 18, context: html, text, full: html, text
  • src/hg/lib/trackHub.c - lines changed 18, context: html, text, full: html, text