v116 final

New features:

• Kate has added (to hgc) a "Data last updated:" line that has the day the core database table was updated.
• Kate has added (to hui) clear/add buttons for composite tracks.
• Jim added a new library src/lib/apacheLog.c.
• Mark added a new feature for pslCDnaFilter (-minAlnSize).

Bug fixes

• Mark has edits to genbank.conf and align.dbs.