Merge pull request #46 from mDuo13/gh-pages

[FEATURE] Split 'sign' method into another call, remove offline sign
Merge pull request #47 from mDuo13/gh-pages

[FIX] quick and dirty responsiveness for api tool
Merge branch 'gh-pages' of https://github.com/ripple/ripple-dev-portal into gh-pages
[FIX] rippled-apis tracking maybe better?