add associations
add create task with state machine
add read task
add update task
add delete task
finish feature
Merge branch 'feature_tasks' into develop

* feature_tasks:
  finish feature
  add delete task
  add update task
  add read task
  add create task with state machine
  add associations
fix apllication config
refactor and add done task
fix part tests
finish admin
refactor and fix test
Merge branch 'feature_admin' into develop

* feature_admin:
  refactor and fix test
  finish admin
  fix part tests
  refactor and add done task