default to intro, and rename headers to match side links
fix bad toggle_formats.js link itlerename title when switching doc pages
added info on account_index and peer_index based on Arthur's comments in skype
made it so it saves the currently-loaded flatdoc file in the hash and remembers it next page load
stubbed out ledgers so I could see what the sidebar would look like
replace syntax selection in sidebar with tabbed syntax selection; also a couple small css and js improvements
added details on the ledger methods
changed page to use a query param instead of hash, so linking by anchors works
Some more clarifications to websocket api docs