feat(i18n): add grunt tasks for i18n support
feat(i18n): watch `data/**/*.yaml` files
feat(i18n): add discover of browser locale
feat(i18n): add i18n on `about` page
fix(lintspaces): lint all folder and sub-folder
feat(i18n): add i18n part in README.md
Merge pull request #17 from iam4x/i18n-support

I18n support