Merge pull request #7 from cintamani/sparql-lib-object

Resolved bug on jsons. Add lib classes for load and read and interact wi...
added goServer -> to redirect some client application logics to a server
added globalProxy -> to set a proxy globally
'globalProxy' now is used to make proxy requests, you can override this behaviour setting the old  'proxy' directive in every single endpoint json configuration file
Change helper method for get json string and add rspec test
Added internationalization for lang.js and resolved bug on spec.
Re-design WIP
Merge with master
Finalize refactoring. Create new class for build response and manage triples.