LoggingServiceTest passed.
Floating tasks now have super low alpha value.
Added unit tests for CommandParser class
Fixed minor bug on CommandParserUnits
Tried to create unit tests for ActionController
Merge pull request #258 from cs2103aug2014-w13-1c/ryan/controller

Added unit tests for CommandParser and tried to add unit tests for ActionController
Merge branch 'staging' of https://github.com/cs2103aug2014-w13-1c/main into jolly/gui