Updated the feature configuration (copyright, description, license).
Plugin repackaged.
merged the site branch with the new plugin

--HG--
branch : site
rename : eclipse-jpf.site/artifacts.jar => update/artifacts.jar
rename : eclipse-jpf.site/content.jar => update/content.jar
rename : eclipse-jpf.site/features/gov.nasa.jpf.eclipsejpf_1.0.0.201310311633.jar => update/features/gov.nasa.jpf.eclipsejpf_1.0.0.201310311633.jar
rename : eclipse-jpf.site/plugins/eclipse-jpf_1.0.0.201310311633.jar => update/plugins/eclipse-jpf_1.0.0.201310311633.jar