more ripple-lib update changes
LANDING: transaction volume metric
CAPITALIZATION: added transaction volume chart using valueSent
bug fix with total accounts and new loaders for metrics
Disclaimer for update interval inaccurate
load trade feed called unecessarily
Merge branch 'master' of https://github.com/ripple/ripplecharts-frontend into develop
trading volume bug fix
added maintenance message
launch maintenance mode from development env
updated build requirements
Merge branch 'develop' of https://github.com/ripple/ripplecharts-frontend into develop
upgrade ripple lib + handle offers exercised design change
top markets API handling
remove header row from response
reverse order of trade feed because of API change
rename capitalization to value, add to main menu

Conflicts:
	src/app/app.js
remove nonfunctioning page
add UTC time for intervals greater than 1 hr
filtering failed transactions