v137-final

Code changes:

• Work on a microarray code library (Andy)
• Ongoing work on automated browser-building scripts (Angie)
• Automation script for same-species liftOver chain generation (Angie)
• Ongoing work on hgGenome (Jim)
• Mods to pbToAlleleCounts.c (Daryl)
• Updates to canFam2 make.doc (Angie)
• Added DLESS to hg17 make.doc (Adam)

Data changes:

• Added canFam1->canFam2 liftOver chains (Angie)
• Added chimpSimpleDiff for hg18 (Daryl)
• More work on SV/CNP track(s) (Heather)
• Added Affy 500K SNPs for hg17 (Heather)
• Added rsIds for Affy SNPs (Heather)
• Started loading PECAN ENCODE alignments (Kate)