fixed bug in engine for edit

Signed-off-by: Nicholas Lum <nicholaslum444@hotmail.com>
Merge branch 'develop' of https://github.com/cs2103aug2014-t16-3j/main into develop
updated eng test cases

Signed-off-by: Nicholas Lum <nicholaslum444@hotmail.com>
Merge branch 'develop' of https://github.com/cs2103aug2014-t16-3j/main into develop

Conflicts:
	dayViewLog0.txt
	dayViewLog1.txt
	dayViewLog10.txt
	dayViewLog11.txt
	dayViewLog12.txt
	dayViewLog13.txt
	dayViewLog2.txt
	dayViewLog3.txt
	dayViewLog4.txt
	dayViewLog5.txt
	dayViewLog6.txt
	dayViewLog7.txt
	dayViewLog8.txt
	dayViewLog9.txt