minor: fixing gemspec for jruby
minor: replace relative requires within .gemspec files to fix testing…
… in 1.9.x -- suggested by mlanett
Ammended BUMP 1.4.0
minor: gemspec fix
Updated to Java driver 2.4 for JRuby
* Seperate gemspec for the java platform gem.
* Don't include jruby.jar.
* Don't include unnecessary files.