cs2103aug2014-w10-1c/main — pull request #234 by evansb (2014-10-25 19:28:23+00:00)
Title: Miscellaneous fixes

#150 - boost::optional in UpdateTask API call.
#154 - to implement marking task done API call.
#226 - for each and std::begin

@lowjoel Please remove You::NLP::TaskPriority since our enum name is now the same.