Created JUnit test and made DataStorage able to support it
Added files required for JUnit testing
Merge branch 'master' of https://github.com/cs2103aug2014-w14-2j/main into hyungjon-datastorage
Removed println commands
Merge branch 'master' of https://github.com/cs2103aug2014-w14-2j/main into hyungjon-datastorage
Implemented logging (initial state)
Logging to WaveLogger rather than normal Logger now
Comments to JUnit test
Merge branch 'hyungjon-datastorage'