Simplified database configuration.
Updated SLF4J from 1.7.30 to 1.7.31.
Updated Log4J from 2.13.3 to 2.14.1.
Updated L2J Commons from 2.6.4.0 to 2.6.5.1.

Reduced build from 11 MB to 3 MB.

Changed configuration strategy to merge configs.
Updated to Java 14's version of L2J Commons.

Adding hot reloading.
Using static methods for less verbose configurations.
Separated Database configurations into own file (same as Game server).

Ported all to SLF4J.
Refactored package structure.
Added new fluen API for configurations.
Using Maven.