Made some small improvements.
Merge branch 'master' of https://github.com/cs2103aug2014-f09-1j/main.git
Merge branch 'master' of https://github.com/cs2103aug2014-f09-1j/main.git
Added search by description function.
Merge branch 'master' of https://github.com/cs2103aug2014-f09-1j/main.git