Substitutes all occurances of 'org.cloudsmith' to 'com.puppetlabs'

This commit substitutes all occurances of 'org.cloudsmith' to
'com.puppetlabs' in all files, including preference settings
and project metadata.
Move from cloudsmith to puppetlabs.
Removing timestamp from preferences file.
Using puppetlabs Nexus instance
[maven-release-plugin] prepare release jrubyparser-0.3
[maven-release-plugin] prepare for next development iteration
Switch to Puppet Labs public Nexus instance
Make bundle version correspond to maven version