- Add entity class for observation and accompanying magnitude band
  enumeration
- Add initial version of ObservationRepository
- Add dependency for junit and spring-test
- Add convenience constructor
- Add Observed relationship entity
- Implement equals() and hashCode() in Observer
- Add a JUnit test for ObservationRepository
- Ignore test case for now
- Use more descriptive names
- Format code
- Observers' names are unique
- Store password, confirmation code and registration status
- Simplify interface by using only IDs when necessary
- Use more descriptive names
- Add email field
- Add helper methods for registration and activation
- Add business method for user registration and related tasks
- Add email handling
- Fix unit testing
- Make it XML-less
- Initialize Set
- Upgrade dependencies
- Work around Spring Data Neo4j limitation by adding a START clause
- Change to Neo4j 1.9.X Cypher syntax
- Fix connection-related annotations