Merge pull request #24 from BorisVerk/master

made get meta_data() return a beer id
something
removed old sqlAlchemy code
refactored database code into database.py
Merge pull request #25 from neillobo/feature/convertToPostgres

Feature/convert to postgres
using postgres sql
Merge pull request #26 from neillobo/feature/convertToPostgres

using postgres sql
created Database script
Merge pull request #27 from neillobo/feature/databaseScript

created Database script
fix for heroku deployment
Merge pull request #28 from neillobo/bugFix/missingDependency

fix for heroku deployment