Requirejs hbs templates

[Bnaya]

• Add support for using handlebars templates
• Add libraries for numbers, currencies and dates formatting and corresponding hbs helpers to use them inside the templates *Add basic i10n helper
• Refactor some of the current templates to hbs

if #307 come before, the diff for this PR will be more clear

http://handlebarsjs.com/ handlerbars https://github.com/SlexAxton/require-handlebars-plugin the handlebars requirejs plugin in use http://momentjs.com/ - the date format lib http://numbrojs.com/ the numbers format lib