Merge pull request #13 from ripple/gh-pages

[Feature] Adding additional documentation
re-add gatewayd; some edits
Merge branch 'gh-pages' of https://github.com/mDuo13/ripple-dev-portal into gh-pages
tiny tweaks to gatewayd
added a rough for remove_currency
started formatting gatewayd with tabbed request format; also includes css for source links
Merge branch 'gh-pages' of https://github.com/ripple/ripple-dev-portal into gh-pages
intro - updated client apps
more gatewayd reformatting
Update README.md
various rewrites in progress
Merge branch 'gh-pages' of https://github.com/ripple/ripple-dev-portal into ripple-gh-pages

Conflicts:
	css/custom.css
Merge branch 'ripple-gh-pages' into gh-pages (catching up to upstream)
major update of gatewayd ref; moved it to its own html file
expanded tabbed request formatting to many more methods
much progress on Gatewayd reference including tabs for all methods, and a data models discussion
add auth section; restructured API reference; removed many draft comments
changed links in html pages to point to new gatewayd docs, added gatewayd docs link to landing page
fix images to fit within width (still needs a lightbox for expanding)
Merge pull request #27 from mDuo13/gh-pages

sharing Gatewayd docs with everyone