Add multi-hop in HTLC

Removed some code only for GUI tool from SDK

Signature of transactions is doing on client side.

A milestone. Next version will implement to sign transaction at brows…

…er side.

Save data to indexedDB and local storage at browser. Next version wil…

…l implement to sign transaction at browser side.

Currently use local storage of browser to save data. Next plan to use…

… SQLite.

Finished JS SDK v0.1.0

The first stage test and fix bugs is completed. Added Auto Pilot feat…

…ure.

Add tracker data display and management assets function. Before auto …

…generate and fill to pubkey and privkey.

All new UI design. P2P network function added with libp2p library.