update
fix
unfinished portfolio
forgot to pull
forgot to pull, now commit the changes made for portfolio
display portfolio in view profile; add function to add dbid in porfolio; add function to read db from portfolio; add porfolio array in user model
Merge pull request #34 from YfLn/yufan

display portfolio in view profile; add function to add dbid to portfolio; add function to get db in portfolio; add portfolio array in user model