add failing unit tests for proposals associations
pass unit tests for proposals associations
add failing integration test for submitting pitch feature
passing integration tests for submiting proposal feature
configure simplecov
simplecov configure
Merge branch 'dev'

* dev:
  simplecov configure
  configure simplecov
  passing integration tests for submiting proposal feature
  add failing integration test for submitting pitch feature
  pass unit tests for proposals associations
  add failing unit tests for proposals associations