Removed static from Remove()
Removed unused messages and making new ones
Merge branch 'master' of https://github.com/cs2103aug2014-t7-2/main

# By Yui Wei
# Via Yui Wei
* 'master' of https://github.com/cs2103aug2014-t7-2/main:
  add "buy milk" on monday from 1pm to 2pm