pgsql implementation
- connected and linked successfully to a postgresql database
- TODO: model/entity code generators
doctrine entities not yet working
- i tell you, its HARD!
configuration and entity update
- added a V5 bootstrap configuration
- added Users entity
- modified test-case
- TODO: still having a problem with regards to "not a valid entity or
  mapped super class"
entities working
- finally implemented entity
- TODO: autoloader for class not working
- TODO: basic functions since doctrine 1.2 should be known