Samples and tests for Plain Old Ruby Objects with feedback demo
Merge pull request #12 from kirs/poro-samples

Samples and tests for Plain Old Ruby Objects with feedback demo
Test file upload
Merge pull request #9 from kirs/test-file-upload

Test file upload
Fix syntax error in assignments_controller_test.rb
Standardize param input in conference form test.

This makes it easier to see what the current test is actually testing.
Yes, the tests still need a lot of work.
Fix bad rebase and use form uniqueness constraint.
Simplify readme (the snippet doesn't need explanation)