Moved ExactSearch to ExactMatchSearcher in the powerSearch package
Merge branch 'master' of https://github.com/cs2103aug2014-t7-2/main

# By Natalie Rawle (2) and Yui Wei (1)
# Via Natalie Rawle
* 'master' of https://github.com/cs2103aug2014-t7-2/main:
  Finished Yui's request of adding a Finish message to EzCMessages
  Fixed an error in deciphering the remove command
  added finish case.