Transform projects to OSGi bundles

This allows better integration within Eclipse and allows for better
extensibility.
Cleanup

* organize imports
* adjust comments and alignment
Inline definition of standardized domain parameters

This reduces coupling to BouncyCastle in order switch over to other
implementations (e.g. SpngyCastle when porting to Android)
Add some testcases that already existed within HJP repository
Merge pull request #3 from alexfupp/cleanupPackageStructure

Cleanup package structure