* Added a set of tables which define game updates and their targets.
These definitions replace the old enumerate type. Added a set of
triggers which automatically create specific update tables, insert
missing entries, etc... when game update types are being manipulated.
* Removed manual insertion of game updates from empire creation
function and universe generator.
* Added registration of core update targets (i.e. planets and empires),
updated all existing game update processing functions and added type
registrations
* Created Maven project for game updates control components, moved
existing components from the -simple project, rewritten most of what
they contained, added new components for server-side update batch
processing
* Spring upgraded from 3.0.3 to 3.1.0 - As a consequence, all code that
used SimpleJdbcTemplate has been modified to use JdbcTemplate, as the
former has been deprecated.
* SLF4J upgraded from 1.5.11 to 1.6.4
* Apache Commons: DBCP upgraded from 1.2.2 to 1.4, Codec upgraded from
1.4 to 1.6
* CGLib upgraded from 2.2 to 2.2.2
* javax.mail upgraded from 1.4.1 to 1.4.4
* XStream upgraded from 1.3.1 to 1.4.2
* JUnit upgraded from 4.7 to 4.10
* FreeMarker upgraded from 2.3.16 to 2.3.18
* PostgreSQL JDBC glue upgraded from 8.4-701 to 9.1-901
* legacyworlds-server-tests no longer considered a dummy package
