refseq list size made variable. (unwanted GUI elements. Will be removed.)
# of refSeqs is now a config variable [defaults to min(30, total number)]
removed store implementation, reverted back to explicitly setting options
removed unused imports
change name of conf var to refSeqSelectorMaxSize
add a `refSeqOrder` global conf variable that specifies the sort order of the ref seqs
update release notes
add disabled select item to the end when too many ref seqs to display
when navigating to a ref seq that is not in the select box by default, just add it to the select box
Merge branch 'refSeqDropdown_fix'.  fixes #234, fixes #235.
tweak how the browser title is updated
fix feature highlighting when viewing 1.2.1 backcompat data