Removed unneeded files
Merge branch 'master' of https://github.com/cs2103aug2014-t7-2/main

# By Natalie Rawle (2) and Yui Wei (1)
# Via Yui Wei
* 'master' of https://github.com/cs2103aug2014-t7-2/main:
  task endsbefore.
  fixed isBefore
  enabled free and 2 digit years (for the mm/dd/yy format)