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 mention of secret_token in README
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
fix typo in graphs.js
Merge remote-tracking branch 'upstream/master' into better_graphs