Default deserialization of completed is false
Merge branch 'master' of https://github.com/cs2103aug2014-w10-1c/main into subtask-api
Test it, and handle exception too
Fixes #332
Remove the model facade
Fix the error caused in unit tests
Lint fix
Merge pull request #338 from evansb/subtask-api

Fixes #332, #327 and remove model facade