use older ruby DSL for pom.rb

Bump for 1.7.9

Remove softlinking and update for 1.7.8

Bump for 1.7.7

Bump for 1.7.6

Bump jruby-openssl to 0.9.4.

make sure we have sources and javadocs files in place where needed fo…

…r sonatype.

jruby, jruby-stdlib, jruby-noasm use empty jars for that since they do have no sources.

the jruby-complete sources and javadocs files will be copied from jruby-core.

make sure the jruby-dist-src can build 'mvn -Prelease' without errors.

[maven-release-plugin] copy for tag 1.7.5.dev

Bump jruby-openssl version to 0.9.0 and set up as default gem.

Bump jruby-openssl version to 0.9.0 and set up as default gem.