Move from the Spice CLI library to the Getopt4j library as that library is a direct descendant and is still maintained.
Acoid using the internal repository
Move to group "org.realityforge.gelf4j" rather than "gelf4j" to meet Maven Central requirements.
Fix bug in gpg addon
Use a symboilic bundle name that is matches the group name
Generate the Maven POM from buildr.
Remove unrequired dependency
Package source and javadocs to satisfy Maven Central requirements
Simplify the How to build section
Document the fact that the library is now published to Maven Central