Be able to set longest ORF on a gene model.

Signed-off-by: Anurag Priyam <anurag08priyam@gmail.com>
Extract insertCDS from setLongestORF.

Signed-off-by: Anurag Priyam <anurag08priyam@gmail.com>
Merge branch 'master' of https://github.com/yeban/afra
Allows to still see colour bars in ORFs when zoomed out too much to see bases