Added structure for new package: genome_specific
new file: src/spartan/utils/genome_specific/GfusI1/GfusI1.0.py

current;y contains code to map GfusI1 contig names from old to
"ScaffoldX" when needed.
renamed
spartan/utils/genome_specific/GfusI1/GfusI1_0.py:
- minor update
minor
minor
spartan/utils/genome_specific/GfusI1/GfusI1_0.py:
- minor update
better comment
minor update
Merge branch 'feat/GfusI1.0_naming' into dev