Added cost for trust edge and subject.
Implemented database calls for citation, Email, TrustEdge, User. Awesome skillz commit.
Merge remote-tracking branch 'nate/software-testing' into software-testing

Conflicts:
	src/app/Subject.java
	src/app/TrustEdge.java
	src/app/User.java
Fix unit test regression, need to migrate unit tests to new database
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