Added mutators for edit
Changed constructor for edit
Merge branch 'master' of https://github.com/cs2103Taug2014-t09-2j/main.git
Merge branch 'master' of https://github.com/cs2103Taug2014-t09-2j/main.git
Refactored edit command to follow SLAP
Merge branch 'master' of https://github.com/cs2103Taug2014-t09-2j/main.git