v248-final - 8 Mar 2011

Code changes:

• Ongoing work on data hub. (Jim, Galt)
• Supporting SSI-like syntax for track html files in hgTrackDb. (Angie)
• Added new utility to check if two columns look joinable in a database. (Jim)
• Right-click now highlights found item in hgTracks. (Larry)
• Utility to convert BEDs to pseudo-PSLs. (Mark)
• Improve performance of genbank alignments. (Mark)

Data changes:

• GWAS Catalog update, hg18 hg19. (Angie)
• TFBS track for hg19. (Brian, Matt)