v106-final

• Jim has added a -repeats option to src/blat/blat.c. (revision 1.101).
• Jim has also committed changes to blat.c to handle 2bit files in query for dna/dna queries.
• Fan added 300+ lines to makeHg17.doc, documenting the first part of the new KG process.
• Fan also committed 2 new utils: kgPick.c and kgPickPrep.c.
• Kate is continuing to enhance MAF display.
• Daryl committed ~1000 lines to makeEncodeOrtho4.html.
• Galt committed retirePushQ.csh.
• Robert Baertsch added support for extended genePred in hg/lib/liftOver.c.
• Robert changed bedOver.c to check at block level instead of header.
• Robert has edits to support the Vega track.
• Heather add agpFragValidate.
• Heather committed utils used for cow quality track.
• Donna has 500 lines changed in 25 files.