Some notes on code style:

General:
- Lines do not exceed 74 characters unless things become really ugly.
- Files end with two newlines.

Java code:
Please refer to the Metrics Team Java Style Guide:
https://trac.torproject.org/projects/tor/wiki/org/teams/MetricsTeam/MetricsJavaStyleGuide#CodingStyle


SQL code:
- All SQL keywords and PostgreSQL functions are written in capital
  letters.
- Never execute a query with SELECT * and expect the result columns to be
  in a specific order.

R:
- Add a space before and after '='.

