Added some unit test for the model; there's an issue with testing certain
user fields I haven't identified yet.

 On branch master
 Changes to be committed:
   (use "git reset HEAD <file>..." to unstage)

	modified:   .gitignore
	modified:   README
	modified:   app/controllers/Application.java
	new file:   app/models/ForumThread.java
	new file:   app/models/User.java
	modified:   build.sbt
	modified:   conf/application.conf
	new file:   conf/evolutions/default/1.sql
	modified:   conf/routes
	modified:   test/IntegrationTest.java
	new file:   test/UserModelTest.java