FreeRouting 1.4.3
* Create jar with dependencies:
* target/freeroute-[version]-jar-with-dependencies.jar
* Create jar without dependencies (external libs: target/libext):
* target/freeroute-[version].jar
* Class structure (constant & constructor access)
* Remove unused/unreferenced/unreachable code
* Remove custom exception:
* DesignFileException.java
* Apache Commons -> Google Guava
* Enable OpenGL pipeline and use system look & feel
* Dispose BoardFrame if can not load design file
* Other improvements