Remove commented out lines
Remove obsolete .cvsignore file
Document how to compile the native JSSC library
Add JSSC to Javadoc build
Remove obsolete SerialFixer

The SerialFixer removed stale lock files on OS X, which are no longer used by the new serial library (JSSC).
Merge pull request #2110 from gohai/serial-new

Trivial cleanups to the Serial library