Updated ElasticSearch methods
-Added a customer adapter
-Added tests for custom Adapter
Added tests for use cases 1 and 4. Removed downvote functionality.
Added test for use cases 2 and 3.
added tests for use cases 21-23
added picture from lucidchart
Merge branch 'master' of https://github.com/CMPUT301F14T09/Team09Project

Conflicts:
	Team09_Q'sAndA's/src/com/team09/qanda/ElasticSearchHandler.java
Added more classes for the views
Added a local file handler
Added Use Case 13.2 Test

-Use case 13.2: Most upvoted answers
-Also added getAnswers() and sort() in QuestionThreadController
Ordered Use Case Tests

Tests are now in order by use case number
Added Use Case 16 Test
added some TODOs
changed name in Post.java of addAnswer() to setAnswer() and attachImage() to setImage()