Reworked graph CSS and display time below graph
Merge remote-tracking branch 'upstream/master' into better_graphs
Merge remote-tracking branch 'upstream/master' into better_graphs

Conflicts:
	app/assets/javascripts/app.js.coffee
manage secret_token

  Fixes #14
  Remove token from repository
  Use initializer to generate one if not present
  Store it in config/secret_token.yml (gitignored)
Add a miniLegend to graphs, displayed by default
Allow to click in mini legend to toggle metrics in graphs
Fix typo in OpenVPN definition
Put graph-specific CSS in a separated file
Use a navbar to display graph title, and add UI to change time period
add mention of secret_token in README
Small CSS fixes
Use camelCase variables in coffeescript
Fixed DSL for interfaces and add SNMP network graphs
Merge pull request #33 from josqu4red/secret_token

manage secret_token
Merge pull request #37 from renchap/dsl_network_fix

Fixed DSL for interfaces and add SNMP network graphs
Merge pull request #38 from renchap/better_graphs

Better graphs