[enh] Login:
  - better UI on pubkey preview
  - remove "show salt" option
[enh] Crypto service: allow to change Scrypt params

[fix] restore certification access (using a ng-click) - need for help tour

[fix] Graph: keep hidden datasets and scale in the browser URL
[enh] add SSL icon on peer info, in top bar
[enh] Peer info:  show current block and SSL
[enh] Format block number using integer formatter

[fix] TX view: add special style for pending TX
[fix] refactore service TX download history

[enh] Add message in the home page, when not connected

[fix] Settings: Allow to switch between SSL or not SSL peer

[enh] Add connection fallback at startup - fix #476

Join: remove focus (bug on Firefox) - fix issue #464

[enh] Join waizard: add information on peer and security

[fix] Fix license file path
[enh] Currency: change parameters hidden by default

[enh] Peer: new UI to view peer details

[fix] fix new message notification (pubkey was hidden when issuer was not a member)

[enh] /app/transfer/:pubkey : add parameters 'amount', ''udAmount', 'comment'

[fix] Fix dev config
[fix] remove unused path in build script

[enh] Subscription: ask confirmation before deletion