* add tests to ensure already existing users get associated with a new proposal when they are specified in team
* serilaize avatar, social_medias on user; add tests
* add user resource GET API; test
* remove commented out serializer stuff
* check in progress
* revert
* fix up API, add tests
* remove unused milestone commands
* support filtering users via proposalId
* get UI working
* refactoring / add minimum team size.
* fix proposal create API to properly support both email and account based
* Create Proposal Comment API
Flesh out Testing Frameworks
Create initial test
* add flask_testing to requirements.txt
* Fix test client table setup in sqlite.
Apparently there are some issues when using flask with sqlite in memory, so simply persisting sqlite to disk fixes migrations.
* Fix resource creation status codes 204 -> 201.
* Fix and add tests
* add signing stub
* remove front-end changes