added example app
simple postgres client
working postgres collection and models
working postgres notification on insert
refactored user model
minor refactor
clarified user allow rules
broke package into sub packages
cleaned up foo code
cleaned up foo class
added start test button to foo example
updated readme
Merge branch 'dev'

* dev:
  updated readme
  added start test button to foo example
  cleaned up foo class
  cleaned up foo code
  broke package into sub packages
  clarified user allow rules
  minor refactor
  refactored user model
  working postgres notification on insert
  working postgres collection and models
  simple postgres client
  added example app