created a class for searching for slots which makes use of Time
Merge branch 'master' of https://github.com/cs2103aug2014-t7-2/main
Time fields.
Merge branch 'master' of https://github.com/cs2103aug2014-t7-2/main

Conflicts:
	powerSearch/Searcher.java
Merge branch 'master' of https://github.com/cs2103aug2014-t7-2/main