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
modified GraphDatabase to not be dependent on Hello class
Added cost for trust edge and subject.
Fix unit test regression, need to migrate unit tests to new database
loading
Fix unit test regression, need to migrate unit tests to new database
loading
Implemented database calls for citation, Email, TrustEdge, User. Awesome skillz commit.
modified GraphDatabase to not be dependent on Hello class
Merge remote-tracking branch 'nate/software-testing' into software-testing
Fixed user constructor and added check for user exists in create session. Added node creation constructor for User
Merge branch 'merge' into software-testing

Conflicts:
	src/app/User.java
Merge remote-tracking branch 'upstream/software-testing' into software-testing

Conflicts:
	src/app/TrustEdge.java
Merge remote-tracking branch 'nate/software-testing' into software-testing
Fixed Session constructor usage
Merge remote-tracking branch 'nate/software-testing' into software-testing
Fixed direct string object comparison. Added unit test for Session
Merge pull request #8 from cherryn/software-testing

Fixed direct string object comparison. Added unit test for Session
Added getUser to email. Added two session unit tests
Refactoring login code to lookup User by email