added .gitignore
db layout mostly done, untested
added entity relationship diagram, not finished
all complete tables tested and working
Merge branch 'cli' into planning
all but the file structure tables now done
added import_accession_csv.py
ORM now mysql  compatible, mysql string stored in file for security.
git now igngores sqlite .db's
made traitcapture importable, can't have - in package name