Merge branch 'mybranch' of https://github.com/cs2103aug2014-t14-4c/main into mybranch
Added another condition within Task::isOverlap(), Checked for the equal case whereby either tasks with same start time or same end times are considered overlaps as well
Merge branch 'master' of https://github.com/cs2103aug2014-t14-4c/main into mybranch